1girl, ahoge, backlighting, black_pants, brown_eyes, hair_between_eyes, hand_under_clothes, holding, holding_stuffed_toy, light_blush, long_hair, looking_at_viewer, natsuyamai, off_shoulder, onii-chan_wa_oshimai!, oversized_clothes, oversized_shirt, oyama_mahiro, pants, pink_hair, scratching_stomach, shirt, simple_background, single_bare_shoulder, solo, stuffed_toy, white_background, white_shirt