1girl, amagi_(amagi626), ass, back, bat_wings, black_socks, blonde_hair, bra, crystal, feet, flandre_scarlet, frilled_panties, frills, from_behind, full_body, hair_ribbon, lingerie, long_hair, looking_at_viewer, looking_back, no_shoes, one_side_up, open_mouth, panties, red_eyes, red_ribbon, ribbon, see-through_bra, see-through_panties, seiza, sitting, socks, solo, sweatdrop, touhou, underwear, white_bra, white_panties, wings