Hyakko

While Ayumu is looking for a way to her classroom, she encounters Tatsuki on her way. Shortly after, they see Torako and Suzume leaping down from a second floor out of a window. After joining together as a group, they heads toward the classroom. About midway through the walk, they find an abandoned school building and accidentally break one of its window. A school teacher, Mr. Amagasa, discovers their act, but Torako gives him a quick punch to stun him. Although they eventually reach the classroom, it later turns out that Mr. Amagasa was their homeroom teacher.

Ayumu, Tatsuki, Torako and Suzume are looking for a school club to join. They try out several sports clubs together, but Torako ruins every attempt as she pulls various pranks on Tatsuki.

While Torako and Suzume are having a conversation together in the morning, they encounter Nene on their way. Torako is informed by her that she was involuntarily decided to be a member of the class discipline committee. On the next day morning, she is assigned a duty of checking the student's dress code. Later Torako and her friends discover that Nene is actually quite keen on the female students. In the second part of the episode, Torako and Suzume discovers a grotesque robot made by Chie, who is a member of the robotics club. Later, Torako and her friends are invited to the robotics club room and they learn about Chie's dream of becoming a robotics engineer.

Torako and her friends go to the school cafeteria together. On the way, Torako teaches Ayumu about the 'Combo Card' which gives an extra portion of a meal. Torako pulls a prank on her by making her accidentally to order a noodle with extra large portion. Tatsuki is offended by Torako's mischievous behavior, while Suzume's extraordinary gluttony is revealed. In the second part of the episode, Torako and her friends are in an art class, where students learn to draw each other. Ayumu and Torako takes seductive poses on the floor, while Koma passionately snaps their photographs with her digital camera. Later, Koma sells some of her photographs to a student for profit.

A new character, Yanagi, is introduced. Just like Koma, he makes profits from selling photographs of the students. When Shishimaru looks at Yanagi's photograph of Ayumu by chance, he is instantly infatuated with the photograph. On his way, he encounters Ayumu and confesses his love to her. However, it is later revealed that Shishimaru has actually asked Ayumu to tell Torako about his love for her. In the second part of the episode, Torako and Ushio skip the class together and spends their time together in the downtown and develops a friendship with each other.

Torako, Suzume, and Ayumu visits Tatsuki's home without informing her in advance. Although Tatsuki is caught off-guard and is quite surprised their visit, she gladly invites them to her home. Meanwhile, Tatsuki's housemaid is relieved that Tatuski has made some good friends in the school as she had trouble making friends in the past. Tatsuki's friends are invited to the dinner and they are impressed by her housemaids' kindness.