NTR: The day I learned that 10 years of happy marriage to my beloved wife is all lies

<11 minutes and 30 seconds after the main story begins, all of the happy married life is overturned. >Today is the 10th wedding anniversary. While on a business trip, I plan to lie about being too busy to go home, secretly returning home to surprise my wife. It's cliche, but I bought a ring, booked a hotel suite, and I can imagine my wife's happy face. And as I opened the door, as I was enthusiastic about my 10th year proposal, I saw a shocking sight that had broken down the happiness of the 10 years...