CESD-720 - My Stepson Turned Into a Beast While My Husband Was Away

After her husband leaves for a business trip, her stepson reveals his true colors. He locks Kana in a room to 'train' her. Terrified by his intimidating demeanor despite his polite tone, Kana is forced to perform humiliating acts and is repeatedly ravished. By the time the three days are up, she has been completely broken into a submissive 'female dog,' begging for more.