2girls absurdres ahoge bikini blue_archive blush cloud commentary cosplay eyewear_on_head floating frilled_bikini frills genderswap genderswap_(mtf) halo highres hoshino_(blue_archive) hoshino_(blue_archive)_(cosplay) hoshino_(swimsuit)_(blue_archive) inflatable_toy inflatable_whale loli long_hair look-alike multiple_girls ocean onii-chan_wa_oshimai! orange_eyes oyama_mahiro oyama_mihari parody pink_hair siblings sisters sky sunglasses swimsuit water ziz_(pandora707)