Air Date: 2012-10-06
The story begins with Rito rudely awakened by each Deviluke alien. Rito explains his routine life and is most concerned with Momo due to her deceptive intents. As Rito arrives to school, he meets Haruna. Lala tries to encourage Rito to confess to her, but Rito pushes Lala to a corner and explains to her the situation is complicated as people are legally allowed to marry one person. Out from nowhere, Celine clings onto Rito. Momo and Nana surprise everyone that they have enrolled in their school. Now students, Momo winks at Rito, reminding him of the conversation last night in the bathtub. Momo overheard Rito's concern about marrying multiple girls and explained to Rito that many girls love him and marrying them all would make everyone happy. As the future king of Deviluke, he can have many concubines. Momo vows to create a harem for Rito. During class, Momo becomes popular among the boys while Nana greets a mysterious girl looking out the window. Nana impresses her with her ability to understand animals. The girl introduces herself as Mea. Later, Momo finds Yami at a bench. As Yami is an obstacle to her harem plan, Momo tries to secretly enlist Yami in her harem plan by convincing her to enroll. The conversation gets cut short when Rito runs in panic stating that the other boys suddenly went violent. The other boys arrive on the scene and attack Yami, forcing her to use her weapons. After Yami and Momo restrain the boys, Yami hears a mysterious voice reminding her that she's an assassin assigned to kill Rito.
Ep.2 Doubt and Dish
Air Date: 2012-10-13
Mea speaks with the mysterious voice about her day. The voice reminds Mea about her job; killing Rito and reverting Yami back to an assassin. Meanwhile, Momo warns the dangers of Yami to Rito and convinces him that Yami may change back and kill him anytime. Next, Momo is surprised to see Mikan invite Yami over for cooking lessons. Nana also comments about making a new friend to Lala. During the dinner service, Rito freaks out over Yami's Taiyaki soup and thinks she may have set a trap. He nearly vomits and asks to go shopping. During bedtime, Rito finds Momo in his bed. Momo warned Rito earlier that she must protect Rito to allow the harem plan to progress. Yami may kill Rito in his sleep. As Rito tries to sleep, Momo caresses him every way, forcing Rito to shove her aside. As Rito later takes a drink, Yami asks Rito for a talk. Yami explains about her cooking lessons and compares it to her attacks. Momo mistakens it for an assault and jumps down to defend Rito. Yami only wanted to know if Rito enjoyed her Taiyaki soup. The next day, Yami also becomes enrolled. Mea finds with Yami and explains how she is Yami's sister with similar abilities. During class, Yami does not get along with other students and blocks people from befriending her. Momo offers to help but get rejected too. Meanwhile, Mea asks Nana about Rito. Nana simply replies, "He's a beast." Her rambling comments about Rito only interests Mea, who then goes to find Rito herself. Momo then talks to Mikado-sensei, who loved Yami being enrolled. She tells Momo how Yami's lifestyle has been nothing except fighting. While Yami is sitting on a bench wondering about her feelings Yui approaches Yami and tells her that not understanding their own feelings is normal, and she too does not understand her own feelings. Then Nana asks Yami if she's seen Mea. While Rito is asleep on the roof Mea climbs on top of Rito and whispers how she'll be able to know what he's truly like once they are "joined together".
Ep.3 Each Speculation
Air Date: 2012-10-20
Rito wakes up and finds himself inside his bathroom with Mea. Mea tests Rito's beast-like moves and asks Rito if he experienced something similar. She reads Rito's memory about Momo and her harem plan. Yami cuts Mea off from reading Rito's memory and warns her to not bother Rito. Mea walks off and learns about the harem plan and how she and Momo are competing for Yami. Later, Nana introduces Mea to Lala and friends. Rito sees Mea and realizes her from the dream earlier. As Mea speaks obscenity to Rito, Momo considers adding Mea into her harem plan. Afterschool, Rito spots Yui and offers to walk home together since Mikan is cleaning up Saibai's atudio and Momo and Nana are with Lala at an important event. Yui is first skeptical but accepts. Momo secretly escapes from the event, a Magical Kyoko Costume Show, and observes Rito walking home with Yui. She finds this a perfect opportunity to advance her harem plan and devises a way to lure Rito and Yui into Rito's house. She first uses the princpal to chase them toward Rito's home and simulates rain to get both of them inside. Inside, Momo surrounds the home with a barrier and creates a romantic scenery by simulating rain and a blackout. Rito accidentally falls onto Yui, giving Momo signs that her romantic scenery is working. Her patience runs out when she finds Mikan and the others trying to get inside. Then, Mea shoots a laser beam and destroys the barrier, breaking Momo's scenery and exposing Rito and Yui to everyone. Lala tells Rito there was no rain today and Mikan sees Momo's tail, adding to her suspicions about Momo. Meanwhile, Mea tells master she was only messing with Momo's harem plan.
Ep.4 True Smile
Air Date: 2012-10-27
A mysterious assassin named Azenda arrives to earth seeking revenge with Yami. Mea questions her regarding Yami, but master believes Azenda could help revert Yami back into an assassin and kill Rito. Meanwhile, Mikan wakes up to find Celine missing. She hears moaning noises through Rito's room and blasts into his room only to find him playing a game with Momo and Celine. Momo tries to reassure Mikan that she's only supporting Lala's love, but Mikan does not believe it. In the shower, Momo wonders who destroyed her barrier and relates it to fact that someone is targeting Rito and Yami. After another disastrous day at school involving Oshizu using her telekinetic powers on Haruna, Yami feels lonely and visits Mikan. As they both eat Taiyaki, Yami hears Mikan express her concerns about Momo. Mikan gives Yami a Taiyaki keychain and shows her pair to symbolize their friendship. Yami happily accepts. The following night, Rito finds Yami.
Ep.5 A Man? Woman
Air Date: 2012-11-03
During swimming class, Mea feels dejected about the Azenda fight. Earlier, she tried to convince Yami to revert back to a weapon but Yami rejects and explains that there is more in life than fighting. On the other side, Yami talks to Momo regarding Mea's stubborness about living as a weapon and how she was like her before. Nana finds Mea depressed and looks for ways to cheer her up by asking Rito for advice. Rito suggests to do something fun with Mea, giving Nana an idea. Afterschool, Nana grabs Mea to the riverside where she has an event prepared. At first, Maron hops onto Mea and licks her. Seeing Mea enjoying Maron, Nana adds more fun by bringing out more animals. The animals and Maron become jealous over licking and fight to lick Mea. Nana, Haruna, and Rito become caught in the licking as well. Nana tries to reclaim her De-Dial after a monkey steals it, but the monkey leads her in front of a moving truck. Mea sees Nana in danger and tries to rescue Nana by attacking the driver.
Ep.6 Metamorphose: A Time of Change
Air Date: 2012-11-10
Momo offers to show her body to Riko. Riko sidetracks by asking where Mea went. Momo replies, "She left." As Momo questions Mea's intentions, she shows Riko the secrets of a female's body by touching her private parts. Mea sneaks in and witnesses Momo's deceptions. Using the memory she got from Rito before, Mea forces Momo to let her in regarding the harem plan. Momo reluctantly accepts, hoping that Mea can get master to come out. Mea and Momo lick Riko until Riko changes back. Mikan enters the room and is shocked to find Mea and Momo along with a naked Rito. Mea exposes Momo's cover-up, making Mikan scold at all three of them and kick Mea and Momo out of Rito's room. Run stops by Rito's house and wants to ask Rito for advice, but Rito is seemingly occupied at the time. Momo quickly fixes a meet up with Rito, hoping to advance her harem plan. During the meet up, Momo and the others spy on Rito. Mea wants to see kissing while Nana wants to keep Rito from naughty acts.
Ep.7 Sisters ~The Invention of Happiness~
Air Date: 2012-11-17
As Lala fixes up Nana's De-Dial, Momo tells to Nana grow up while looking at her chest, infuriating Nana. Lala brings out an item that grows Nana's breasts, but it only works for a few seconds and shrinks Momo's breasts. Momo sarcastically admits that she understood Nana's feeling. Later in Mikado-sensei's office, Rito and friends discuss about Lala's inventions and Oshizu asks about Lala's childhood. Momo recalls the frequent incidents with Lala's inventions; whenever she was fighting with Nana, Lala's inventions ran wild and they both cleaned up Lala's mess. At lunch, Rito and friends visit Mea's apartment. The apartment is empty and Mea notes that she lives alone. Nana finds it strange knowing that Yami is her sister while Momo was hoping to collect more details about master. In the follow-up meeting with Mikado-sensei and Oshizu, Momo expresses concerns about Mea and how she may be hiding her true heart.
Ep.8 Bad Mood ~Bonds of Happiness~
Air Date: 2012-12-01
Mikan feels misplaced after seeing Rito become closer to Momo. She goes shopping and almost passes out on the way home due to the intense sun. Momo runs to save her but Kujou Rin grabs her and offers to take her to her place. Mikan feels the need to vent and starts telling Rin about how she feels misplaced. While Rin expresses negative thoughts about Rito, Mikan explains that despite his perverted actions, Rito is a really great guy. She also tells Rin about how everything seems to have changed since Momo's arrival. Although Momo appreciates Momo helping around the house with chores, but Mikan feels she is no longer needed. Rin tells Mikan that no matter what Momo does, if Rito is how Mikan describes him, he would not want Mikan to leave. During the conversation, Momo eavesdrops from the rooftop. Meanwhile, Yui keeps wondering about her crush for Rito as she goes for a walk. Haruna finds Yui and asks Yui to join her. Haruna takes Yui to the cosplay cafe with Risa and Mio.
Ep.9 True Self ~True Face in the Darkness~
Air Date: 2012-12-08
The episode begins with Rito thanking Rin for taking care of Mikan. Later, due to one of Lala's inventions, Rito and Yami become stuck to each other by the hand, Yami immediately tries to cut Rito's hand but Momo explains the effects will wear out eventually. Yami goes to buy food with Rito and makes it clear she does not want him touching her inappropriately over her food. While she is buying taiyaki, Rito gets embarrassed when the seller they are a couple. They sit on a bench where Rito invites Yami over for dinner at his house; she accepts. Back home, Rito helps Yami cook dinner. Nana thinks of feeding Rito because he can only use one hand but quickly blushes and forgets about it. Lala apologizes that her invention caused this mess and Mikan lets Yami stay as long she needs to. Next, Yami has to shower. Nana steps in despite Momo's demands, saying that she prevent Rito from doing anything perverted. In the shower, Rito is blindfolded while Nana washes Yami's back.
Ep.10 Past ~Memories Leading to Tomorrow~
Air Date: 2012-12-15
Yami starts telling Rito about her past, explaining how she was created by a woman named Tearju Lunatique; she was created from her cells, therefore Yami is similar to her and sees Tearju as her mother. However, Tearju was taken away from Yami by the association that had asked to create Yami. They forced Yami to follow the paths of darkness and trained her to be a weapon. She doesn't know what happened to Tearju and also notes that the society was destroyed when the Devilukes unified the universe. Rito demands a revenge, which confuses Yami given that Rito is her target. Yet somehow, Yami feels safe with Rito as she leans torwards him. During the conversation, Momo tries to spy on Yami, but is caught by Mikan. Momo convinces Mikan the necessity to spy on them claiming that Rito may do inappropriate acts with Yami in his sleep. Mikan reluctantly tags along, but stops and grabs Momo's tail, making Momo scream for help. The effects of Lala's invention soon wears off.
Ep.11 The Right Thing ~What is a Way of Life?~
Air Date: 2012-12-22
Tearju tries to talk to Yami and apologizes for abandoning her. She tried to escape with Yami when the organization tried to eliminate her, but the plan was foiled and Yami was taken away. She hid her identity until the organization was destroyed. Yami refuses to let her life as "Golden Darkness" go and walks off making Momo concerned about Yami's honesty. Mikado finds the situation normal as they have not met each other for a long time. Meanwhile, Nana tells Mea about a new assistant in Lala's class triggering Mea's instincts after master told her about Tearju being one of their main enemies. Nana questions Mea's reaction and seeks Haruna and Lala for help, thinking Mea is still hiding a secret. They all help cheer Mea up by remodeling her apartment. Haruna picks the design while Lala helps Nana obtain financing from their father. Meanwhile, Momo and Rito ask Tearju about Mea and master. Tearju is unsure but knows that the organization wanted to mass produce transform weapons.
Ep.12 Room ~A Maiden's Feelings~
Air Date: 2012-12-29
Momo plays through several dating sims and takes notes hoping to aid her harem plan. As Momo completes another pathway, she wonders how she can use these concepts to solve the main issue: Rito. Momo wonders when she fell in love with Rito and remembers how Rito shared many interests with her such as plants. As Momo thinks of Rito more, she slowly starts to masturbate. Momo's romantic fantasies of Rito continue throughout school. At school, a group of boys who share a love interest with Momo form a fanclub titled "Venus Momo Club". As members, the club will dedicate themselves into helping Momo out. At first, Momo appreciates the help such as accepting all her duties, cleaning her furniture, and acting as bodygaurds but as time goes on, the club distances Momo from Rito more, making her unable to spend time with Rito. Momo sees Lala spending personal time with Rito and Rito making accidental gestures with other girls, making her feel left out.