MDTM-004 Training Beautiful Girl Pet - JK Yuuki (pseudonym) falls into M-slave status

A twisted love story between a beautiful high school girl and a perverted man. A beautiful girl wearing a collar waiting for her master to return home. She was trained to be the man's sex pet, offering her pussy at any time... Her body becomes excited when she is collared. The adolescent mind can be easily controlled... Eventually, the girl comes to accept the rough treatment as a human toilet as a pleasure...