Yasuko, an employee at a cabaret club, is currently living together with her boyfriend. For some reason, an earthquake connects their room to the other world -- the lingering ghosts tell her that her boyfriend is cheating...

Natsu is unable to reveal her feelings to 'bento' (lunchbox) vendor Sone. Through the arrangement of Haruo, a man she has just met, she begins living together with Sone. But things aren't the way she expected them to be...