BRK-13 — Mother Being Trained Yukie Shoji

A son who is completely in love with his mother, Yukie. Even though he will be entering the workforce next year, his feelings haven't changed, and he even wants to have Yukie's body and her heart. Every day he is torn between reason and desire... But finally he takes action. He secretly uses an aphrodisiac and attacks Yukie when she is masturbating, unable to resist. He can't forget the excitement of having Yukie at his mercy, so he uses the aphrodisiac at every opportunity to train Yukie. Yukie gradually becomes addicted to the merciless t**, and...