1990s_(style), 1boy, 1girl, adjusting_clothes, adjusting_swimsuit, akashi_(akkasayu), akkasayu, arm_support, artist_name, breasts, dark-skinned_male, dark_skin, hair_bun, hand_on_own_hip, kneeling, large_breasts, long_hair, looking_at_another, male_swimwear, one-piece_swimsuit, open_mouth, original, pink_hair, red_one-piece_swimsuit, retro_artstyle, sayuri_(akkasayu), swim_trunks, swimsuit, very_long_hair, white_background