After losing his memory in a serious car accident, Tohru Takahisa is taken in by Fujishima, an older man who claims to be his friend. But the taciturn Fujishima refuses to reveal anything about Tohru's past! Despite this, a strange and awkward tenderness grows, even as they are held apart by the tragic events Fujishima cannot relate and Tohru cannot remember.

Forgotten or not, the past always entangles the present.