Ryuu Kusari no Ori -Kokoro no Uchi no “Kokoro”- - Chapter 6[LN] Volume 4: .4

A prince sent into exile, without the means to fight back.

When you get to the other world, you acquire new properties, there is no limit for your achievements and you become an overlord…Welcome to my world…

- Description from Novelupdates

Su Yao, who was clearly a real daughter but died, was reborn.

In her last life, she swallowed her anger, and then she was cruel and cruel.

No one would think it would be too fishy to suck her blood.

Once again, she will be the last month, crowned with pearls, shining brightly.

Someone followed behind her while digging a hole for her, and painstakingly persuaded her:

Without so much effort, do you see the crown on my head?

You are the most gorgeous one above.

- Description from novelbuddy

Usami is a beautiful classmate with good morals and top grades. At school, she views Sakuto as her rival. But when he bumps into her after school, he sees a different side of her. She was playing at an arcade after classes, and she had this innocent smile that one couldn’t imagine on her at school.For the sake of getting along with her, he gets close to her at school and then plays together with her after school. They each have their places where they can deepen their bonds, and at last…This is the start of a heart-warming love triangle romcom!