The brother-in-law always secretly blamed his younger brother for not knowing how to enjoy his luck, marrying a beautiful wife but not knowing how to fuck her.
Many times when he saw his sister-in-law dressed sexy, the young man just wanted to "take a risk" but restrained himself because there were people in the house.
What would the secret love story between a lustful sister-in-law and a lustful brother-in-law be like?
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