1girl, armpits, arms_up, bikini, black_bikini, black_choker, black_hair, black_wings, blue_archive, blush, breasts, choker, collarbone, halo, hasumi_(blue_archive), kai_yuzuki, large_breasts, long_hair, looking_at_viewer, lying, mole, mole_under_eye, navel, on_back, parted_lips, red_eyes, solo, stomach, strap_gap, swimsuit, upper_body, very_long_hair, wings