Two anime girls in bikinis on the beach with a sword

sister((Black short bob、Cute Smile)、(White button-down blouse、Her blouse is soaked and her red bra is visible.)、(水色のskirt、両手でskirtをめくり上げる、skirt、Cute white underwear)、barefoot、)、younger sister((Burnt brown long hair、Angry)、(Small breasts、Orange bra)、(Orange underwear)、barefoot)、sisteryounger sisterでおっぱいを揉み合いながら、Sandy beach, sea and blue sky

worst quality, low quality, bad anatomy, bad hands, bad body, missing fingers, extra digit, fewer digits