[+10 minutes with bonus footage only available at MGS] Prestige exclusive actress Yakake Umi manages the ejaculation of a middle-aged teacher in a sadistic way! Umi Yakake is an honor student and the cutest student in school. As her teacher, I ended up having a physical relationship with Umi, even though I knew it was an unacceptable relationship. One day, the possessive Umi puts a chastity belt on me and forbids me to ejaculate without her permission. one week