During the stay home period after the declaration of a state of emergency, six high school classmates gather remotely and discuss the truth of a former classmate who died from suicide. However, they begin to get involved in a real-time serial murder.

This is the 58 minutes Hulu version which contains spoiler/reveals throughout the special.

Yuki 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. 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.