Shiori comes to stay at her sister's couple's house to meet her friends in Tokyo. However, the real aim was to take revenge on her sister, who had her lover cuckolded by her sister a long time ago.In order to take revenge on her sister, she approached her sister's husband and seduced her...and begged her sister's husband for a vaginal cum shot. … Shiori manages her brother's ejaculation with a chastity belt and makes her husband a captive ….
