Kotaro, who yearns to die alone, lives in his own world with guilt for the people in his past. However, who knows that the child who was originally by his side will develop different emotions as time goes by.
He couldn't refuse Yu's request, but his resistance at the beginning turned into being unable to let go.
Who is right and who is wrong?
Taking "Constellation Heshi" as the creative background, the story revolves around Kotaro Hoshizuki and Iku Mizushima.
Can't let go.
——[When the wind and rain come again, my dear boy.
——[Are you still waiting for the flowers to bloom?