There is a beautiful girl who is married but still wants to be a mistress

A married woman lives in a high-rise tower apartment to forget her husband from Monday to Thursday every weekday. Even if I had everything that's not what I really wanted. So I started having an affair. Classmates pursuing their dreams are drawn to each other, remembering those days purely, frankly, and nostalgically. I feel like I finally understand what's important.

There is a beautiful girl who is married but still wants to be a mistress