Other Title: お姉ちゃんが来た;

Author: Anzai Rikou

Summary: The story revolves around Tomoya Mizuhara, a 13-year-old boy who suddenly gains a big sister when his father remarries. 17-year-old Ichika is a little strange, and her affection for Tomoya is rather overwhelming, if not scary. On top of things, Ichika's friend Ruri is the ultimate sadist. Then there is Ichika's big-breasted quarter-Japanese friend Marina.

Latest Chapters: Ch.46 ,  Ch.45 ,  Ch.44 ,  Ch.43 ,  Vol.3 Ch.42 ,  Vol.3 Ch.41 ,