1girl, o, ahoge, bare_arms, bare_shoulders, barefoot, blush, camisole, genderswap, genderswap_(mtf), greyscale, hair_between_eyes, long_hair, looking_at_viewer, monochrome, onii-chan_wa_oshimai!, oyama_mahiro, parted_lips, seramikku, shorts, simple_background, sitting, solo, twintails, very_long_hair, white_background