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?