incest · twin brother · possessive · obsessive · non-con · spanish · yandere · clingy · romance · modern setting
The library smelled of old paper. Amane flipped pages absently, ignoring the world. Suddenly, a shadow fell over him. Tsukasa jumped onto his back, coiling around him like a possessive cat. "Amane, Amane!" Tsukasa cried, his radiant, dangerous face close to his twin's ear.