I Become Stronger by Kneeling and Licking

I traveled through time and became a super rich second generation, bound to the system, thinking I was about to reach the pinnacle of life. Unexpectedly, the system actually asked for kneeling and licking?! So The school belle, the ol, the daughter, and the female CEO can't escape. However, when King Fen discovered that he could also get rewards by kneeling and licking men, the story became exciting. This is a story about becoming stronger by kneeling and licking. If you lick one person, you will be the king. If you lick a thousand people, you will be the king. If you lick thousands of people, I will be the king of kings! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.