riannn desu, oyama mahiro, onii-chan wa oshimai!, commentary, highres, 1girl, 1other, ?, ahoge, blush, brown eyes, hair between eyes, holding another's wrist, long hair, long sleeves, neck ribbon, pink hair, pov, pov hands, red ribbon, ribbon, school uniform, shirt, simple background, skirt, smile, solo focus, suspender skirt, suspenders, sweatdrop, upper body, white background, white shirt, wing collar