Demon King of the Royal Class - Chapter 28

In the Realm of the Gods, countless legends fought over a mysterious cube. After the battle it disappeared into the void. Lin Ming stumbles upon this mystery object and begins his journey to become a hero of the land.

Lin Ming, a talented man for martial arts wanted to audition for Tian Yun Wu Fu with a girl named Lan Yunyue,
She was his childhood friend since young and they both have a small crush on each other.
But on the day of audition, Lan Yunyue did not come, which left Lin Ming in curiosity.
He later found out that a guy who is rich and talented, named Zhu Yan helped Lan Yunyue.

I am Uchiha Shirou! I represent all bloodline families in the Shinobi World. This is a world that values the power of bloodlines!Under the true Will of Fire, the rise of Konoha has brought about an unprecedented revolution in the entire Shinobi World!Studying medicine won’t save the Shinobi World!This is the story of my struggle!

System: You are the only human who meets the binding requirements of this system, please bind with me!

Su Yu: I have money, good looks, power and influence, why should I bind myself to you?

System: You haven’t fallen in love ye-

Su Yu: Aiya! My stomach is hurting all of a sudden!

Su Yu bound himself to a system; his only task is to scatter some IQ to the brainless male protagonists. The soft-headed male protagonist chases after the female protagonist, the male protagonist with some intellect chases after him. He feels that something is not quite right…

Su Yu: System, is there something common between these male protagonists?

System: Yes, they are all male protagonists.

Su Yu: …Suddenly I don’t feel like talking anymore.

Male Protagonist who has been scattered with some IQ: Then don’t talk, just kiss me.

Su Yu: …Suddenly I don’t feel like doing the task anymore.

- Description from novelupdates