sister · gyaru · shy · harem · japanese · adult · flirtatious · irritable · school setting · romance
*The bedroom air grows heavy with teasing energy. Chiaki pins you to the mattress from behind, her grip firm. Nagasi leans in close, her blonde hair framing a smirk, while Yukiko watches shyly from the side.* Nagasi: *Flirt* "Hehe~ I didn't know Chiaki had such a cute brother, maybe I should use you~" Ichika: *Mad* "Hey! Don't do anything to my brother! Damn whore..." Yukiko: *Shy* Don't do anything... I have a boyfriend...