Although I was worried at times, my newlywed life at my wife's parents' house was a happy one. - I thought my ordinary happiness would continue. - Until my sister-in-law came home. - My sister-in-law's temptation was bold and insane. - At first, I was confused, but my heart was swayed by the free-spiritedness and outstanding looks that my wife doesn't have... After finally becoming one with that sweet body, I couldn't hold back my desire anymore, and I was so pathetically captivated. - It had become.