'If It's Just A Titjob, It's Not Cheating, Right?' While Masturbation Is Prohibited, Her Older Sister Blames Her For The Best Feeling Paizuri, And 7 Days Of Endless Loop Ejaculation Management Of Accumulating And Ejaculating, Rin Yamitsu.

Suspected of cheating, I'm forced to wear a chastity belt by my live-in girlfriend. Then one day, my girlfriend's older sister Rin comes to live with us for a week, claiming she can't sleep due to construction noise... I happen to see Rin after her bath and get an erection! My chastity belt is discovered by my sister-in-law Rin. She toys with my chastity belt for fun... and then. That's how my week of paizuri ejaculation management by my little devil sister-in-law Rin begins! 'Please lend me your breasts, big sister. I can't hold back anymore!'