Yuka (heavily implied mother) Appears in Chapter 107 No information No information No information No information Nyuu Jr. or Little Nyuu is a manga-only character introduced in the final chapter; she's the daughter of Kouta, bears the likeness of Yuka, named for their late friend, Nyu. Though her mother is never mentioned by name, she is virtually identical to Yuka when she was that young, and she mentions her mother getting angry at their being late, which is in character for Yuka.