When Sara inherits a house in Tokyo from her grandmother, the last thing she expects to find there is a charismatic, mysterious young woman who says her name is Red.
The two find an easy rapport, but Red’s secrets are darker and stranger than Sara could have dreamed. The sensible thing to do would be to run as far away as she can get, but Sara’s never been sensible, and she’s tired of running away.
But is Sara’s determination enough to combat Red’s darkness? Can the fragile new love growing between then save them from the ending fate seems to have in store?