Mizuki goes to Tokyo for her exams. Getting nasty to her aunt's house. Her aunt lived alone with her cousin Misuzu, who was older than her, Mizuki. Mizuki met and played with Misuzu several times when she was a child, but hasn't seen her in over ten years. Her cousin Misuzu, who met her after a long time, was completely grown up. Misuzu stares at Mizuki. At some point, Mizuki begins to be aware of her Misuzu. and….
