Monster Musume no Iru Nichijou

Monster Musume (モンスター娘のいる日常, Monsutā Musume no Iru Nichijō, lit. "Everyday Life with Monster Girls") is a Japanese manga series written and illustrated by Okayado. The series is published in Japan by Tokuma Shoten in their Monthly Comic Ryū magazine and by Seven Seas Entertainment in the United States, with the chapters collected and reprinted into ten tankōbon volumes to date. An anime adaptation aired between July and September 2015, and was licensed by Sentai Filmworks under the title Monster Musume: Everyday Life with Monster Girls. A PC game based on the series was released in December 2015.

Plot
When a hapless human teenager named Kurusu Kimihito is inducted as a "volunteer" into the government exchange program, his world is turned upside down. A snake-like lamia named Miia comes to live with him, and it is Kurusu's job to take care of her and make sure she integrates into his everyday life. Unfortunately for Kurusu, Miia is undeniably sexy, and the law against interspecies breeding is very strict. Even worse, when a ravishing centaur girl and a flirtatious harpy move in, what's a full-blooded teenage human with raging hormones to do?