[MKON-146]

My friend's younger sister was a damn cocky little bitch! She got on top of me, called me a "loser lol," and made me lick the soles of her feet while she milked me dry. Yuna Hinata

Makoto ends up alone with his younger sister Yuna at a friend's house. At Yuna's suggestion, a penalty game begins where "the loser has to do whatever the winner says," and Makoto loses. Yuna pressures him, saying "Become my personal chair," and Makoto obediently becomes a chair. Then she notices his erection, admires it, and taunts him. The next day, Yuna pressures him again, and this time they end up having sex. As his semen is squeezed out, Makoto descends into being a s*x slave. Viewers will be aroused by Yuna's domineering attitude and Makoto's inability to resist.