1girl, ?, ahoge, arms up, black jacket, blazer, blonde hair, blue ribbon, blush, brown eyes, collared shirt, cosplay, detached ahoge, drum, drum set, drumsticks, holding, holding drumsticks, instrument, jacket, long sleeves, neck ribbon, open clothes, open jacket, open mouth, parody, ribbon, sakuragaoka high school uniform, school uniform, shirt, side ponytail, sidelocks, simple background, solo, tainaka ritsu cosplay, trait connection, white background, white shirt, winter uniform