The Wallflower

Sunako's father comes to visit Sunako after he hears a rumor that Kyohei was her lover. Sunako's father spends time with Kyohei, realizing that he is a good guy at heart. He then reminisces about when he defeated a bear for Sunako, after Kyohei saw his exposed scars on his back. It is revealed that Sunako's father fears scary objects, those found in Sunako's room.

Kyohei becomes upset when he finds out that Sunako that her anatomical mannequin, Hiroshi, is more important to her than Kyohei. It is revealed that Sunako found Hiroshi in a dumpster during a downpour after she was insulted by her middle-school crush two years ago. When Kyohei goes to the convenience store, a group of female students steal Hiroshi. This later causes Sunako to panic, as she sets out to look for Hiroshi, but to no avail. She later finds Hiroshi stolen by the group of female students, as they demand to obtain Kyohei. Sunako refuses but Kyouhei goes in order to help Sunako. They become worried. Moments later, Kyohei is seen carrying Hiroshi with him, as he tells the others that the girls were satisfied just by serving him cookies and seeing him bare shirted.

On Valentine's Day the four bishōnen are bombarded with cards, gifts, and boxes of chocolates from a crowd of female students. The boys do all they can to escape the madness from the lovestruck girls. Meanwhile, Sunako seems to have an obsession with chocolate, going out of her way to acquire as much as she can.

The four bishōnen go to extreme measures to persuade Sunako into wearing a dress, by renovating the mansion in a scary appearance. However, when she goes to shop while wearing the dress, she is mistaken for taking a young boy hostage. With Noi's help, the boys rescue Sunako, causing a commotion in the process.

Tamao wants to feel loved by Ranmaru, even after knowing how much girls he has dated in the past. Noi suggests that she should spend the day at a beauty salon, bringing Tamao and an unwilling Sunako along. Meanwhile, Ranmaru and Takenaga have been bickering about the girls for the past few days. After spending time with Noi and Tamao, Sunako prepares a feast for them, showing that she cares about them. Later on, Ranmaru and Takenaga apologizes to Noi and Tamao for their rude behavior.

The high school holds a sports festival, and strangely Sunako and Kyohei are willingly participating. They become strongly competitive, going to extreme measures to beat one another. In the last round, after being so competitive, they end up participating for their own personal goals.

Sunako and the others are invited to an island that has a history of pirates burying treasure there. Kyohei sets off to find treasure, while Sunako looks for skeletons. Then when Sunako finally finds what she's looking for, it starts to cause trouble for the guys. It is revealed that she is possessed by a spirit who activates traps sets throughout the island. Noi eventually arrives at the island, worried about Takenaga. However, the spirit causes the Yuki, Ranmaru, Takenaga, and Noi to hallucinate, being possessed in the process, while Kyohei encounters the possessed Sunako. Sunako is about to release the spirit due to her love of the skeletons, returning everyone back to normal.

Ranmaru receives a phone call from his father, who tells him that he is engaged to be married. Determined to break the engagement, the four bishōnen plot to make Ranmaru someone unworthy to be a husband. However, to no success, Ranmaru's fiancée, Tamao Kikunoi begins to take a liking to Ranmaru's imitative personalities. However, she begins to realize that Ranmaru has no interest in her. Feeling guilty, Ranmaru visits Tamao's school grounds to apologize, but he is raided by other girls Ranmaru has dated. It is later revealed that Tamao truly wants to marry him.

Yuki receives a basket of mushrooms for free. Sunako eats one of these strange mushrooms and is magically transformed into a lady. Though things start to take a turn for the worse when Sunako is one. Then all the guys try to change her back by means of seduction.

The four bishōnen think back to their first Christmas together, when they just moved in and how different they were back then. At the time, Takenaga, Yuki, and Ranmaru first met each other at the mansion a few years ago. It is revealed by Mine that the three of them came from rejected families. After causing a mess in the dining room, the three get into an argumentative fight. Mine later finds Kyohei and invites him in the mansion along with the others. They later receive phone calls and mail letters from female students searching for Kyohei. The three chip in to help drive out the females students, but to no avail. However, as Kyohei steps in, as well as with Mine's help, they resolve the issue with all the female students.

Sunako needs to be tutored in math, since failure to do so will cause the rent to increase. Kyohei dresses up as a nerd and studies hard to teach Sunako not to run away from her issues, however this causes an uproar among the female students.While doing so Sunako remembers the incident that she kissed a radiant being (Kyouhei) which causes her to react badly. Later Kyouhei makes her understand that a passion-less kiss is nothing.Unfortunately, Sunako still failed the exam due to putting the right answers in the wrong math problems.