He is single since birth. Is he still going to be single if she will enter his life with the help of his friends?

He is a bad boy and everyone loves it. Until she came and changed everything about him.

He needs to get married to take over the company. Is he going to choose love over company?

The soon to be owner of Seo Entertainment will fell inlove with the girl who is supposed to debut.

She cheated and left Jisung. She will come back to Korea to win his heart again. Is she going to be successful?

He didn't expect that the only girl he loves will leave him too.

He is the youngest and he doesn't believe in love yet he is the first to get married.

He likes her but he chose to let her go for some reason.

he met her unexpectedly and didn't expect that it'll happen in front of a lot of people.

This is the very last book of all the 9 series you've read.