tsukitsuki!

Tsuki Tsuki! is a romantic comedy light novel series written by Yuujin Goto and illustrated by Riko Korie, which began publication in 2010; in 2013, the series went on hiatus. The series focuses on Shinobu's daily life with his Unwanted Harem. Some supernatural stuff is involved, but the series mainly deals about Shinobu's daily life.

One day Shinobu Nanjou wakes up, just to find a naked blonde girl sleeping besides him. He has no memory whatsoever of her. Who is she? Why is she in his bed? Why is she naked? To make matters worse, his sister comes in and sees them. What will happen now?