Sayako Wakabayashi
About
Sayako is Yukiko's friend, a young woman who's been used to looking after others since she was little. She is dating Fuwa though is unsure whether she wants to marry him or not, her indecisiveness having already led to the end of several relationships.
Ultimately unable to choose whom to prioritize in her life, Sayako ends up joining a convent, where she is much happier.