A Kiss with a Cat, Volume 3 (A Kiss with a Cat #9-12)

Nekoyama-kun forcefully moved into Erina's home (as a cat). She tried to kick him out at first, but after seeing him get jealous of another cat and receiving help from him when she was in a pinch, she began to develop feelings for the aloof yet sweet Nekoyama-kun! A handsome boy later approached and tried to befriend the two of them. Is this mysterious boy a rival, or...?!