1boy 2girls :d air_bubble bangs barefoot bent_over bikini blonde_hair blue_bikini breasts bubble cellphone cellphone_picture claw_pose commentary green_bikini heart heart_hands heart_hands_duo highres kazuki_(aquariumseen) kneeling looking_at_another multiple_girls open_mouth original phone photographer purple_hair shadow short_hair small_breasts smartphone smile submerged swimsuit taking_picture underwater water