1girl, alternate_costume, armpits, bare_shoulders, bed_sheet, bikini, blew_andwhite, blue_archive, blue_bikini, blue_eyes, blush, breasts, cleavage, collarbone, halo, halterneck, large_breasts, long_hair, looking_at_viewer, lying, navel, off_shoulder, on_back, on_bed, on_side, parted_lips, purple_eyes, solo, strap_pull, string_bikini, swimsuit, thighs, two_side_up, yuuka_(blue_archive)