goe (g-o-e), miyako (blue archive), miyako (swimsuit) (blue archive), blue archive, absurdres, highres, 1girl, 2boys, bare shoulders, blue one-piece swimsuit, blush, bow, breasts, casual one-piece swimsuit, clothed sex, fellatio, frilled one-piece swimsuit, frills, grey hair, group sex, long hair, looking at viewer, medium breasts, multiple boys, official alternate costume, on floor, one-piece swimsuit, oral, orgy, partially undressed, penis, purple eyes, ribbon, swimsuit, two-tone one-piece swimsuit, vaginal