I Don't Like You at All, Big Brother!I Don't Like You at All, Big Brother!.

I Don't Like You at All, Big Brother!! (Japanese: お兄ちゃんのことなんかぜんぜん好きじゃないんだからねっ!!, Hepburn: Oniichan no Koto Nanka Zenzen Suki Janain Dakara ne!!; literally: "It's because I Don't Like Big Brother at all, isn't it!!") (referred to as "OniSuki" for short) is a Japanese seinen manga series written and illustrated by Kouichi Kusano which was serialized on Futabasha's Web Comic High! service from August 2008 to September 2016.