Bakadane, Shitteruyo.

From xiaojiangworld:Nii-san can?t do anything without me. That is what Shun has always believed. Waking him up every morning, helping him get ready for school, helping him study; Shun is perfectly content with looking after his helpless, airheaded older brother. But as Spring draws closer and graduation is just around the corner, how will this change their relationship?