A successful novelist, Shirou, still harboring a broken heart, is confronted by a cat he rescued 10 years ago named “Ame” who appears to him in human form. He wants to be Shirou's lover and suddenly goes to bed with him without even knowing how to have sex.

Shirou is getting better day by day, but he still can't write a novel. He still doesn't know what he should have done after hurting his ex-boyfriend, and he still doesn't know what “love” is. But Ame says that if Shirou doesn't love him, he will disappear in a bubble. “I'm happy anywhere with Shirou. Ame's love for Shirou is so great that he is afraid it will spill over, and all he can do is hold on to him...