Kouryaku Syndrome攻略シンドローム ; 攻略你的心 ; 攻略症候群 ; Capture Syndrome ; Kōryaku Shindorōmu ; Kōryaku Syndrome

Hina is a typical game otaku ever since one can remember. The day he falls in love, he bumps into 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?