My Very Own Female Teacher Pet

Storyline: A female teacher, Rin, is a submissive pet of a certain student. Today, she is toyed with according to his desires. Before school starts, she is trained and caressed, and if she resists, she is verbally abused. Furthermore, during lessons and tests, he plays with her with a vibrator, and relentlessly caresses her beautiful breasts, making her cum. His rampage continues, escalating into obscene games that even involve her classmates.