oyama mahiro, onii-chan wa oshimai!, commentary, highres, 1girl, :d, ahoge, bare arms, blurry, blurry background, blush, brown eyes, cellphone, colored inner hair, day, dress, holding, holding phone, looking at viewer, multicolored hair, nazonaji, neck ribbon, open mouth, outdoors, phone, pinafore dress, pink hair, pov, pov hands, red ribbon, ribbon, shirt, short sleeves, sleeveless, sleeveless dress, smartphone, smile, solo focus, two-tone hair, white shirt