• Book Name: Haikyuu!! - Pinky Promise with My Boyfriend the King (Doujinshi) Manga
• Alternative(s): Haikyu!! dj - Pinky Promise with My Boyfriend the King
• Genre(s): Doujinshi Shounen Ai
• Author(s): Bubunhanten (Circle) & ISSHI Rai
• Status: Ongoing Download Manga
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Summary: Kageyama can’t stand the thought of anyone taking Hinata from him, so he seals their relationship by demanding Hinata start dating him. Hinata agrees, if only because explaining that Kageyama has just imprinted on him would be too difficult. As time passes, though, Hinata realizes they’ll need to set some ground rules.