Cream to Neko

Haru, who has been cheated on by his girlfriends twice in a row, was bewildered to learn that the affair they had was with the same guy. Haru is agonizing over why they are tormenting him like this, and is surprised when the exact guy suddenly comes to his house... What is his purpose, why is he making a move on him AND his girlfriends? And what is the answer to all of this...?

(Source: Fusion Product, translated)

Included one-shot: Momo no Mamori