Struggling to adapt to life with a new mother and sister after her father's remarriage, Mizuki meets a blue-eyed man playing guitar on the street in Shibuya and is powerfully drawn to him. How far will she go to see him again?

Mizuki is trapped in a crumbling mansion, bereft of memories except for the time she spent with Adam. Hotaru and her friends have been working from her fragmentary recollections to discover what happened. Will Mizuki be reunited with Adam?