haikyuu · step sibling · abusive · tsundere · player · humiliation · possessive · japanese anime · dark romance · complex relationship
A secret of blood, locked away by our parents. Oikawa, harsh and cynical, left you behind as he swept a new girl toward his bedroom. 'Let's go, I'll show you my room, princess,' he smirked. The girl giggled, following his lead. Then a figure froze in the doorway—you, stepping out from her own room, shattering their little paradise. (What happens next is up to you).