Her younger sister-in-law, Arisa, who has a refined appearance and is amiable, is popular with people outside her family.Ever since I was little, I've been fed up with being compared to my older brother.That's what my wife is proud of, so I'm being compared every day.But I don't feel so bad about it this time.Because my family and I have a secret that my sister-in-law doesn't know.I happened to see her sister-in-law and her brother's love affair.I became able to freely use my sister-in-law with it.I have a sense of superiority over my brother who is good at it, but what I've noticed recently is that I'm better at sex than my brother.My sister-in-law, who shows dislike at first, is totally understandable about my impregnation training.Now, even though she doesn't like it, she wants to send me a masochist look, seep her love juices and be violently attacked.Grab an F cup that doesn't suit your proud slender body and show your brother how you train freely.Come on, sister-in-law.I'll give you plenty of impregnation and training today as well.