Yuki (Tsubasa Honda) is a 2nd year high school student. She volunteers at a paediatrics ward for her summer vacation, because she wants to witness the moment a person dies. She got that thought after feeling envious of a transfer student's story of seeing a friend's dead body.Yuki has friend named Atsuko (Mizuki Yamamoto). She was bullied in the past and has anxiety issues. She volunteers at a nursing home for her summer vacation, hoping that she will gain courage if she sees the moment a person dies.