1girl air_bubble animal_ears aqua_hair arm_up blue_eyes breasts bubble covered_navel cowboy_shot fins glasses hand_on_forehead honda_naoki murenase!_shiiton_gakuen one-piece_swimsuit open_mouth photoshop_(medium) red-framed_eyewear sailor_collar semi-rimless_eyewear shiiton_gakuen_school_uniform_(sea_branch) shiroumi_kana short_hair small_breasts solo swimsuit tail thighs under-rim_eyewear water whale_girl white_hair yellow_neckwear
2girls bando_ruka bright_pupils commentary_request dolphin_tail glasses green_eyes green_hair multiple_girls murenase!_shiiton_gakuen one-piece_swimsuit onomekaman open_mouth pool red-framed_eyewear sailor_collar semi-rimless_eyewear shiiton_gakuen_school_uniform_(sea_branch) shiroumi_kana swimsuit tail under-rim_eyewear white_hair white_pupils