Lala and Rito run late to school and end up at the place where Rito first confessed to her. Lala expresses her true feelings for Rito. Wasting no more time, Lala uses a new invention to teleport them to school. Although it allows Lala to specify a distance, they end up naked to school, with Rito teleporting right under Haruna's skirt, who slaps him and runs off. Lala then embraces Rito and says that she loves him, with the entire student body as a witness.

Lala and the others go to a public bathhouse. Two bounty hunters, Tiger and Panther who are after Yami attach a body controlling device to Rito and use him as a puppet to attack her. Realizing that Yami will not attack Rito, they began to mess with the other girls. Mikan discovers their hiding spot and Lala overrides their signal with a more powerful controller and has Rito beat them.

Lala accidentally drops all her gadgets at school. As Rito tries to keep Haruna away from Lala's dangerous gadgets, Rito and Haruna accidentally activate the warp ring, sending both of them to an unknown location naked. Though initially embarrassed toward each other, Haruna and Rito start talking about their pasts but are discovered by Ryouko before they can become closer, as the unknown location was in the basement at her clinic.

Haruko, Mikan's teacher, wants to visit Saibai (Mikan and Rito's dad) because she is a fan of his manga. Due to a new deadline, Saibai is unable to visit. Lala dresses Rito up as Saibai to meet with Haruko, but Rito is too nervous. Lala feeds him a relaxing drug that accidentally gets him drunk and he ends up embarrassing both Haruko and Mikan.

Rito is assigned to deliver important papers to Yui who is sick at home. Yuu, Yui's brother invites Rito to Yui's bedroom. Yui is uncomfortable with Rito in her room and panics leading to Rito accidentally touching Yui's breast in front of Yuu, giving him the wrong impression about their relationship. Later, Lala and the others visit Yui to cheer her up.

Rito puts on a pair of glasses he finds in Lala's room. However, the glasses lock on to Rito's head and he can't take them off. Mikan comes into his room to empty his trash in her underwear, acting like there is nothing out of the ordinary. He quickly realizes that the glasses let him see through people's clothes to their underwear. Rito struggles, even more, when he accidentally adjusts the settings causing him to see everyone completely naked. Lala arrives to help remove the glasses until Run interferes and accidentally transforms into Ren while falling onto Rito who, still wearing the glasses on the naked setting, sees up his skirt.

Risa and Mio find Yami reading fashion magazines. As Yami always wears the same battle dress, Risa and Mio bring her to a clothes shop and try to find her a new style. Yami finds some attractive new clothes but accidentally tears her new skirt protecting Rito from delinquents. In the end, she reverts to her normal clothes but ends up punching Rito when he sees she is wearing new frilly panties under her battle dress.

When Haruna takes her dog, Maron, out for a walk she feels that someone is stalking her. She finds Oshizu on her break from Mikado-sensei's clinic and asks for help. Lala helps Haruna by making a machine that switches their bodies. Using the bait trick, Lala and Oshizu defeat the stalker. The stalker turns out to be a female dog-like alien who is actually in love with Maron, though Oshizu beats her up anyway as she is terrified of dogs.

Saki daydreams of Zastin. Her servants, Aya and Rin, help by kidnapping Rito, who is hiding from Lala and her lethal cooking. Aya and Rin demand Rito bring Zastin to school. When Zastin arrives, Saki tries to confess to him but gets interrupted by Lala who has found Rito and attempts to feed him her lunch, causing Rito to run in panic towards Saki, exposing her panties to an embarrassed Zastin. Rito is chased by all four girls while Zastin leaves.

Run tries to defeat Lala with an alien skunk that will gas Lala turning her into a child, making her weak. However, the skunk gases Run into a child then escapes and cause chaos at school by gassing everybody into children except Haruna who has to take care of them all. Run tries to catch the skunk and nearly falls off the top of the building. Lala, also a child, rescues Run and catches the skunk, but then accidentally drops Run off the roof anyway.

Rito and the others visit Saki's private beach. Oshizu forces Rito to apply suntan oil to the half-naked Ryouko until an angry Yui intervenes. Saki tries to beat Lala in her Watermelon Split contest, but Rito, thrown into the air by Nana, destroys all the watermelons. Momo summons an alien watermelon instead-but Saki insults it, causing it to attack everyone. After Rito is put in danger trying to protect Lala, Yami suddenly splits the angry watermelon in half, believing the watermelon attack was simply part of the game.

Haruna receives a 98 on a math test while Rito receives an abysmal 18. He bumps into Yami, who tells him to seek Lala for help. To Rito's surprise, Lala had received a perfect 100. Peke explains to Rito about Lala's genius intellect. Despite Lala helping Rito study for tomorrow's exam, he is distracted by Lala being naked once again and completely forgets everything she had taught him.

After another incident in the library, Yami tries to kill Rito but is too weak to control her weapons. Rito notices Yami's high fever and rushes her to the clinic with the help of Lala. Rito ends up semi-catatonic when he is made to help Ryouko remove Yami's clothes. During treatment, Ryouko tells Yami how Rito helped her and she should thank him. Yami does not understand why Rito continues to treat her as a friend when she is trying to kill him. She then tries to kill him again when he sees her getting dressed.

Run unwillingly stars as the scantily clad villain in the next Magical Kyouko episode. Run becomes jealous when Kyouko, the heroine, receives all the praise while she receives all the criticism. Kyouko then eats lunch with Run and tells her that she's actually one of her fans. When the Principal attacks Run in a lust fuelled frenzy, Kyouko reveals that her ability to control fire is real and that she is half human and half flame jinn. Run reveals her identity as an alien and they become friends.

Hearing about Risa and Mio talk about a perfect body, Haruna thinks about her bust in relation to Lala and how she's failed to enlarge them, though she is happy when Rito says he values personality more than he does breast size. She and Oshizu find Nana angry about Momo teasing her for having a flat chest. Nana works together with Haruna and Oshizu to enlarge their breasts. After many attempts, Haruna tells Nana to stop and quotes Rito that personality matters more.

Haruna finds a helpless stray dog with Maron and takes him in for care. Maron asks the dog about his origin, who turns out to be Rito stuck inside a dog's body thanks to another Lala invention. Haruna takes Rito into the shower with her to clean him up. Maron tries to teach Rito how to act like a dog and has him lick Haruna as a way of showing affection. However, Rito becomes overwhelmed and flees. Lala finds Rito and puts him back in his own body, offering to turn him into a cat next time.

Christmas Day is approaching. Rito plans to invite Yami to their Christmas party to make Mikan happy and also invites Haruna who he meets shopping. Mikan explains to Lala about Christmas. Mikan and Rito never had a big Christmas celebration since their parents are rarely home, so this is Mikan and Rito's first big Christmas celebration with friends. Lala makes Mikan's wish come true by bringing her parents home for Christmas. In the end, Rito gets in trouble with his mother, who demands to know who Celine's mother is.

Momo accidentally uses a device that transports Rito into Peke's body. Hoping not to upset Lala, Momo brings Peke to Lala in time for P.E. and tells Rito to act like Peke. Lala's warm-up stretches shock Rito as he feels her entire body with his own. When Lala jogs, Rito becomes so flustered he malfunctions and causes havoc by changing Lala's P.E. clothes into a bikini, which is so tight it wedges itself between her buttocks. This causes Rito to panic even more and he ends up changing the clothes of every girl in the class. Now completely euphoric from feeling Lala's body, Rito passes out and deactivates, leaving Lala naked. Momo brings a replacement outfit to Lala and vows to repair Peke.

Rito takes Celine out for a walk and meets up with Yui. As Yui argues with another person about Rito and her being a couple and Celine their daughter, Celine wanders off and steals a Cola. She drinks it and, being a part plant, becomes drunk from the sugar and begins spreading pollen everywhere that immediately makes people fall in love with Rito. Saki and the others get infected by the pollen and fall for Rito along with an entire street full of passers-by. Rito tries to escape but gets tackled by the principal who is thankfully arrested by the police. Back home Momo explains the victims of Celine's pollen likely fell in love with Rito because Celine loves Rito the most.

Rito is assigned to shop for groceries but gets intercepted by Risa who uses him to get rid of another guy. Risa returns the favor by taking him to Mio's workplace, a maid café. Risa tests Rito's reaction to girls, leading him by love hotels and to her house where she takes him into her bedroom. After Risa finishes toying with him, Rito arrives home late with no shopping done. Back in her bedroom, Risa appears to regret not having gone further with Rito.

Mikan turns down another love confession and starts thinking about her feelings for Rito. She becomes jealous of Momo being close to Rito and sneaking into his bed at night. Mikan tries to uncover Momo's secrets by sneaking into Rito's bed herself to catch Momo sneaking in. Instead, she experiences Rito's more hands on sleeping personality. Seeing no signs of Momo, Mikan tries to leave only to be frightened by thunder. She is surprised when Rito hugs and comforts her so she won't be scared, even though he is still asleep. The next day, Rito panics over finding Mikan in his bed and that Momo had been watching them.

Rito and Lala try to catch Celine who is drunk on Cola again, but Celine spreads her pollen on Yami, making her fall in love with Rito, which quite rightly terrifies him. Yami borrows the terrified Rito for a date and tries to understand love by feeding Rito taiyaki and trying to kiss him. On returning to normal Yami beats him up again but wants to know why he didn't kiss her. Rito says it was because you don't kiss someone who isn't thinking normally. He is then shocked when Yami smiles at him and then assures him that he's still her target, which terrifies him once more.