One Piece: King of the World - Chapter 399: Claudius, Times Have Changed

Kusumi Chiharu gets a message one day that he has been selected as a Monster Tamer, and he is prompted to select his first partner. He thinks little of the message until he receives a giant package the following day. He assumes it’s the porn books he ordered, but the huge box ends up containing the unconscious body of a near-naked girl! She’s a ghoul named Zonmi, who intends to fight beside him as his partner.

However, it turns out that other hot girls at his mostly-male high school are also magical entities, and Zonmi may not be the only one who wants to fight by his side!

I lived for you in the last lifetime, everything I did was for you, yet you wanted me to die; so, this time, life is mine to live! This world lied to me, betrayed me, and humiliated me, and I am back to change everything!

- Description from Novelupdates

He transmigrated and got a system but Lin Feng’s pressure is as big as a mountain.

System main quest: Lin Feng creates a school, establishing history’s number 1 sect, Lin Feng himself becoming the number 1 founder.

And so to become history’s number 1 founder Lin Feng started to work hard.

“Your name is Shi Tianhao? Natural born supreme king but it was stolen by your cousin. Now being raised in a little village your father placed you in? Come come come, come with master, we’ll let those people know that justice that is owed must be returned!”

“Your name is Xiao Yan? A genius in the past, now a loser. Your fiance even came over and humiliated you by breaking off the engagement? Come come come, come with master, we’ll let that brat know the meaning of don’t bully a youngster because he’s poor!”

“Your name is Zhu Yi? The bastard son of a marquis, suppressed by your father. Your mother was the previous saint but she was killed? Come come come, come with master, we’ll let your dad know the meaning of the world is big, fists are… no, reason is the biggest!”

- Description from Novelupdates

Rudel Arses, the first born of one of the ‘Three Lords’ of the Courtois Kingdom, is from a corrupted family, but at 5 years old, he saw a dragon in the sky and his dark future as a villain changed. He was considered an idiot, but was that true? How would his effort to become a dragoon change the kingdom?