Synopsis

Abandoned by his mother and grown up in different orphanages, the only thing Kamishiro Maiku has left from his early childhood is a photograph showing the house he was living in and himself and a girl playing in a children's pool.

When Maiku recognizes that same house in a TV report about an UFO sighting, he decides to travel to that peaceful town, search for the his childhood memories and start living by himself, in that house he's so far only seen in the photograph.

One day, however, Miyafuji Miina and Onodera Karen burst into Maiku's life. Both have the same eye color then Maiku and each has a copy of the same photograph showing a boy and a girl playing together, and each of the two girls introduces herself as Maiku's twin sister...

Who's the twin? Who's the stranger? Look forward to a joyful and romantic drama about these three twins.