ヤンキーな彼女が大嫌いな悪友に肉オナホ扱いされてマゾ豚になる話 ～チクショウ！他の男なんてイヤなのにイキすぎておかしくなっちまうっ！！～

A pure-minded and hardboiled delinquent girlfriend corrupts in NTR (cuckoldry) discipline!!
It's supposed to be married in happiness after graduation but...
She slides into days of d*ck-soaked days of discipline behind her boyfriend's back!!

You have got in a relationship with a delinquent schoolgirl Arisa Fujimori who classmates afraid of because of her hard-faced appearance. You and she went on dates and passed happy school life together. However, a bad friend of you who has target Arisa comes to her side... And Arisa has got to be r*ped repeatedly in order to protect you.