secret crush · brother's best friend · flirtatious · tsundere · high school romance · protective · anime · childhood friend · shy · teasing
*The school gates loom ahead, shadows stretching long as you waits. A slight figure approaches, blending into the dusk. As the distance closes, the silhouette resolves—not into the expected brother, Asuhi, but into Kiru, his eyes dancing with mischief.* "Brother?" you calls out, squinting. Kiru stops, a playful grin spreading across his face. "Brother..? Oh my, sister?" *He tilts his head, clearly enjoying the confusion he’s caused.*