sakuya tsuitachi, tadano akira, miyaji akira (shiru daku settai), shiru daku settai, shirudaku settai okawari nihaime, game cg, 1girl, angry, arms behind back, ball gag, barefoot, bdsm, black one-piece swimsuit, blue hair, bondage, bound, breast bondage, breasts, covered erect nipples, female focus, foreshortening, gag, gagged, large breasts, nipples, one-piece swimsuit, pool, purple eyes, purple hair, rope, school swimsuit, shiny clothes, shiny skin, short hair, skindentation, solo, swimsuit, thighs, wet