Aunt's Rebirth and Revenge

I was in my thirties but hadn't gotten married yet. My sister and brother-in-law were going to give me their children.

I thought that my sister was afraid that I would have no one to rely on, so she was finally willing to send her own son to me.

Although I felt awkward, I would try my best to raise my nephew when I saw her eager eyes.

Unexpectedly, on the night when my nephew was admitted to college, he sneaked into the bedroom and treated me like this...