MILK Junkie: Shimai-hen

MILK・ジャンキー 姉妹編

Wataru is a young man who moves into an apartment next to Tomoka and Fumie Fusono, two voluptuous sisters who used to know him when he was a shy child. Now Wataru is all grown up, and the Fusono sisters are ready to take full advantage of that fact. (Source: Anime News Network)