At the end of the manga, Kokoro and Kippei are living with his parents and it is implied that they are married (which now makes her Kokoro Katakura). Misako is Kippei's mother who is a school crossing guard, among other things. She teaches Kippei how to cook, starting with onigiri (rice-balls) because they are Yuzu's favorite food. She is the older sister of Aunt Miyako (Yuzu's biological mother). Better known as Nee-chan (or "Sis" in the English version), Reiko is Kippei's bold and controlling older sister. She is a cosmetologist and everyone in Kippei's family follows her orders. She is known for her stylish outfits and nails. She has a secret which she reveals to Kippei late in the series that she cannot have any children. This greatly influences how she feels about Aunt Miyako for abandoning Yuzuyu. Miyako is the younger sister of Misako and the biological mother of Yuzuyu. She found that taking care of Yuzuyu by herself after her husband had died was more than she could handle. She later admits to Kippei that she once struck Yuzuyu and it is inferred that her fear of doing so again is the main reason why she left Yuzuyu with his family. She intends to come back once she can be a proper mother to Yuzuyu. In the end of the manga, she returns and takes Yuzuyu back. Years later, Yuzuyu is shown to be a healthy and happy teen. Satsuki is Kippei's 12-year-old brother. He is very intelligent and mature for his age, so much so that he seems emotionless. Although he doesn't like children in general, he gets along with Yuzuyu very well. Near the end of the story it is assumed that Ayumi and Satsuki are in a relationship. and Voiced by: Maki Saitō (Aki) and Fuyuka Ōura (Mai) Kokoro's friends. They, and especially Aki, don't approve much of Kokoro and Kippei's relationship, given his past actions and reputation. Rather than being busybodies, they really just want what is best for Kokoro. Aki is in love with Shin. One of Yuzuyu's best friends and her first love. Kippei is unhappy that Yuzuyu has a crush on him. When Shouta first meets Yuzuyu, the two become instant friends and begin to do everything together. Shouta loves his family dearly, however he has been abused by his mother for some time. When Yuzuyu witnessed Shouta being hit, she