1girl, ahoge, blush, brown_eyes, hair_between_eyes, hand_on_own_hip, leaning_forward, long_hair, looking_at_viewer, no_pants, noren, onii-chan_wa_oshimai!, open_mouth, oyama_mahiro, pink_hair, runep, shirt, short_sleeves, sidelocks, simple_background, solo, t-shirt, thigh_gap, white_background, white_shirt