Read manga: Niichan, Icchatte!

manga
Summary:

From Blissful Sin:Yuuta lives together with his two step-brothers, Tomoaki and Takayuki. But their life together is far from a quiet one. So what happens when Yuuta gets angry one day because Takayuki won’t stop sticking to him? And how is Tomoaki involved in it? A story about a not so innocent brotherly love!