Reizouko no Naka wa Karappo

Shimizu (a spoiled rich high school boy) leaves his home to become a comic artist, and ends up rooming with his friend Umeya. Umeya is so poor that he's got nothing in his fridge except mayonnaise to eat with the rice!

(Source: MU)

Included one-shots:
Volume 1: Crybaby, Anata ga Suki desu, Daisuki desu., Tsuma ni Natte yo.