Nekozuka-kun wa Himitsu wo Kaburu
猫塚くんは秘密をかぶる
A 28-year-old woman named Mei Komatsu, recently dumped by her boyfriend, feels lonely and misses her cat from home. After a company party, she brings her new co-worker Nekotsuka home because he is too drunk to leave. The next morning, she discovers a black cat sleeping in Nekotsuka's place. Mei begins to suspect that Nekotsuka has a secret. She becomes devoted to making Nekotsuka happy, embracing a new life with him.