uchida yorihisa, kamishiro mai, kamishiro mai (juushin liger), kamishiro yui, jushin liger, juushin liger, 1980s (style), 2girls, back, blue eyes, blue hair, breasts, competition swimsuit, covered erect nipples, finger to mouth, holding hands, large breasts, long hair, multiple girls, navel, one-piece swimsuit, red hair, retro artstyle, school swimsuit, short hair, sideboob, swimsuit, white one-piece swimsuit, white school swimsuit