Akira has lived an ordinary life at home since he was born. However, he finds out that his girlfriend is married. He impulsively leaves the countryside to start a new life in a shared house, only to find that it's only occupied by men! Until he finds a new place to live, he begins living together with one woman and four men... His life has changed completely, and he finds himself in a dizzying, exciting world... and perhaps a new love is on the horizon?!