HUNTC-470 Secret Talk According To The Sisters Edition Synopsis This is the relationship of a sibling couple whose parents remarried, where the sister likes to be introverted. When she needs something, she will write it on a piece of paper to tell her brother, and he will always satisfy her needs. With Aoi Nakajo , Hinano Miki , Hinano Minami , Suzu Yuki The sister has long hair and glasses who likes to be introverted, but has a need that only her brother knows.