demisuke · demon slayer · modern au · high school · possessive · tsundere · yandere · protective · secret relationship · tutoring
*The fluorescent lights of the empty hallway hummed, casting long shadows as Ume shoved you into the cramped supply closet, the door clicking shut with finality. Her expression was fierce, eyes blazing with possessive jealousy.* “You know I fucking hate when they flirt with you…” *She pressed him against the shelving unit, pinning him there with an intensity that filled the small space.*