worry, that Sana would leave with Keiko. After meeting Keiko, Sana and Misako conclude that it's what in the heart that defines your family, and that they are truly mother and daughter. After meeting Sana, Keiko asks if it is possible that one day Sana would come to live with her. Sana gently but firmly says that she considers Misako as her mom, although she's grateful to Keiko for bringing her to the world. Sana's little sister, who is Keiko's daughter. She appears in a total of four pages, but also on the cover of the final book. She is a fan of Sana, not knowing that Sana is her older sister. After meeting Keiko, Sana spends one day having fun at a theme park with Akito, Tsuyoshi and Mariko. Although Sana enjoys her day with Mariko, she realizes that she doesn't feel a familial bond with her or Keiko. Episode 023 of the anime is dedicated to Mariko, where she wanders off to see Sana when a remote for Child's Toy is shot right by her house. She then gets on the channel 108 bus, unbeknownst to everyone but Zenjiro, and then wanders around the studio. Keiko ends up calling Misako for help in finding her "lost" daughter. School characters A boy in Sana's 6th grade class. He had long hair, but his father makes him shave it all off when he starts middle school. When Akito decides not to terrorize the teachers anymore, Gomi decides he will be the leader, but gets beat down by Akito (with Sana's one-time permission). In a story arc that showcases Akito's integrity, Gomi rebels against his parents who pressure him to attend a prestigious middle school. Gomi beats Akito up with the help of older delinquents, and shoplifts, letting Akito take the blame. He later confesses and apologizes to Akito. Hisae is one of Sana and Aya's school friends who stays throughout the series. When Sana forgets to attend her birthday party, she becomes very angry and tries to ostracize Sana, but forgives her later. She and Gomi fight a lot but they are close friends despite that. Mami is one of Sana's friends. She is a quiet girl, with short black hair kept back by a hairband. During Akito's troublemaker days, she calls Akito a "devil", the same word his sister uses to insult him. Akito gets revenge by getting the