Martial King's Retired Life - Chapter 75Book 15:

What are you going to do when you pass through another world?

Yalin(MC): Perhaps, many of those seniors who passed through another world would like to use violence to solve their problems, but I like to control the fate of a country with economics and races with faith, I use benefits to instigate others so that I profit, and even making them take risk for me without them even knowing. In each country the highest is the king and behind the king is a string that is attach to my hand, for I am their puppeteer.

Yalin(MC): Certainly the credit does not only belong to me, I must give my thanks to the great knights and their leader Zero(Code Geass). The supreme master of blood, the moon princess(Tsukihime), the black and white princess, and also my ‘good friend’ called by his title the ‘God’s left eye’, president of the neutral autonomous city. Finally I must give thanks to my loyal and competent subordinates!

- Description from Novelupdates

Ken was about to take his own life, after he had experienced a very tragic emotion. However, he was stopped by a mysterious cyan screen before his eyes.“What is this?”The Cyan screen displayed a message. It called itself the Guarantee System, and told him that it would guarantee whatever mission he desires. And through these missions he was to earn a reward, and these rewards were to be massive if the mission he takes, is relating to a… female.Then the question followed…[What will be your first mission?]At that moment, Ken knew… just the right thing he wanted. With a smirk on his face he said.“I WILL GET ALL THE LADIES I WANT!”Hehe'Disclaimer: This story is a work of fiction. All characters, events, and organizations are imaginary and any resemblance to real persons or events is purely coincidental. The narrative is intended for entertainment purposes only and does not reflect real-life occurrences or perspectives.Enjoy!

Zhen Yuanbai, the good student, accidentally injured Shi Bufan, the school bully, after a crash. Blood spilled everywhere.

In the spirit of love and in order to help his ex-boyfriends walk out from the shadow of heartbreak, every time before Ye Ming leaves after successfully completing each world’s romance mission, he will ‘kindly’ (ruthlessly) break up with with his boyfriend.

After transmigrating to N different worlds he had finally gained enough experience. At this time the system informed him that because the accumulation of his ex-boyfriend’s grievances had exceeded critical levels, leading to the failure of all his missions…. So he needs to return to each world to eliminate their grievances if he wants to complete his missions!

Ye Ming: This is an outcome I didn’t predict.

System: I tried to tell you before that if you did this you won’t have a good end.

The ex-boyfriends all laughing coldly: He He. That despicable scum that ran away after deceiving my feelings is finally back. This time don’t even think about running away!

Ye Ming: ……

System: Since you “zuo” yourself to death, even if you kneel you have to go to the end!

Ye Ming: Luckily I have a special “scum cleaning” technique ^_^

- Description from Novelupdates