Evan is an old lighthouse keeper living alone with his cat Bart. That is, until he rescues a sickly seagull he finds by the sea. However, overnight he finds out the seagull has turned into... a boy!?

Ever since his brother's wedding, Ichiya is romantically obessed with Natsuki, his brother-in-law. After the passing of his brother, he moves in with a widowed Natsuki to help raise his nephew...