From Ikemen Manga:

A fun romantic comedy revolving around Wada Erina, a high school girl who absolutely adores cats, and her classmate, Nekoyama Akira, who is unsociable and always wears a mask. Erina is usually nicknamed "Queen" by her classmates due to her cool appearance but when she talks about cats, she gets extremely excited.

One day, a cat visits her yard. Lured by it’s cuteness, she gets excited and kisses the cat, and then...?!