2boys 2girls >_< air_bubble bad_id bad_pixiv_id bandana bangs baseball_cap black_bodysuit blonde_hair bodysuit brown_hair brown_headwear bubble closed_eyes commentary damselfish fio_germi fish flippers frown gloves goggles green_headwear hat jellyfish kasamoto_eri long_sleeves looking_at_viewer manta_ray marco_rossi medium_hair metal_slug multiple_boys multiple_girls open_mouth sasisage scuba scuba_gear scuba_tank sergeant_(fish) short_hair submarine submerged tarma_roving tropical_fish underwater watercraft yellow_eyes yellow_gloves