I need the sauce. I tried saucenao but got nothing. Halp
Pretty sure that's by Maeshima Ryo. Can't find which doujin it's from.
Not even close, Maeshima Ryou makes the eyes and forehead bigger.
(C86) [Asatsuki Dou (Youta)] Oniichan Hayaku Okinai to Itazura Shichauzo | If you don't wake up quickly, I'll sexually assault you, Big brother [English]