START-053 I was used as a sex toy by my husband's stepplay to release my pent up sexual desire. His cock was so hard I felt more pleasure than with my husband... Yotsuba Kominato

[I should have refused at first.] I've been married for a year. I live with my husband and his son and his wife. I'm happy. Or so I thought, but... My young, energetic son-in-law appeared in front of me, who is sexless, and he forgets to get bored of me, regardless of time or place, and begs me to satisfy his sexual desires every day.