Big sister's boobs are huge... Moe, who got carried away by her naughty brothers' pranks, escalates the water gun play and shoots out pee! Pissing scenes are shown in standard costumes such as office lady and nurse. She also uses her big boobs for a titjob. She is even forced to pee in the office while being made to look ugly with a nose hook... Pissing play is plentiful.