Responses
Love lessons Part 1:
https://booktoki344.com/novel/8853513?stx=%EC%97%B0%EC%95%A0%EC%88%98%EC%97%85&sst=as_update&sod=desc&book=%EC%99%84%EA%B2%B0%EC%86%8C%EC%84%A4
Love Business Part 2:
https://booktoki344.com/novel/7040984?stx=%EC%97%B0%EC%95%A0%EC%82%AC%EC%97%85&sst=as_update&sod=desc&book=%EC%99%84%EA%B2%B0%EC%86%8C%EC%84%A4
There is a novel where Moon Kang is the protagonist. It is called Dating class and the 2nd part is called dating business. The ML is called Park Mujin. You can find it in booktoki but it is divided in 2 parts because it is kind of long.