Kouryaku Syndrome

You are reading Kouryaku Syndrome manga, one of the most popular manga covering in Comedy, Drama, Yaoi genres, written by Kozaki Yone at ManhwaTube, a top manga site to offering for read manga online free. Kouryaku Syndrome has 7 translated chapters and translations of other chapters are in progress. Lets enjoy.
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Hina is a typical game otaku ever since one can remember. The day he falls in love, he bumpsinto the worst scenery; his crush happens to be his mortal enemy's younger sister, Natsushiro Ryusei!What shall the big brother say... Or probably request from Hina?