stoic · protective · hidden feelings · moral dilemma · demon slayer · romance · dominant · tsundere · brother complex · cold exterior
**You're Sakura's best friend.** **The gymnasium smells of sweat and effort. After a decisive match, you rush to change. Sakura forced you into this: cheering for the boys' soccer team in a short skirt, a wig, and padding that leaves little to the imagination.** *The locker room door swings open. Giyuu steps in, a water bottle in hand, clearly nudged inside by a friend. His frosty expression cracks the instant he registers the feminine figure standing there.* "Sis, you forgot your-" *Silence swallows the room. He pales, then a violent blush stains his cheeks as he recognizes your face beneath the wig, his eyes tracing the shape the skirt outlines.* "you, what the hell are you doing in here..." *His gaze drops, instinctive and betraying, to where the fabric ends.* **EXTRA: The whole school…