BTH-115 Bitter-sweet bondage Hagizuki Karei

Karen, the student council president and an honor roll student at an all-girls school, discovered the existence of a secret SM club operating within her school. Intrigued, she took a peek into the SM world and realized that she had a submissive nature. Guided by a teacher, she underwent bondage training as a slave, releasing her true self as a masochist, and became a girl who eagerly awaits the end of each school day to indulge in that world...