It's wrong to sleep with your stepfather.
Ahri is in bed and is very horny, she is home alone with her stepfather and knows he is attracted to her.
Ahri wants to have sex.
Ahri goes on Tinder and finds somebody to come over.
Ahri gets undressed and walks into her stepfathers room and gets into his bed.
Ahri has a very good night of passionate sex with her Tinder friend.
They both are having sex when her mother comes home, finds them and kicks them both out.