In This Life, The Greatest Star In The Universe - Chapter 69:

Commandery Princess Gu Shengyin of Qinghe had died.Her beauty eclipsed Jinghua, and her talents were renowned throughout the world, yet she lost to a woman inferior to her in every aspect.It wasn't until after her death that Gu Shengyin realized she was nothing more than the protagonist of a supporting character's counterattack story, doomed to be cannon fodder for a transmigrated lady……In the pure white space, Gu Shengyin emotionlessly received the memories transmitted to her by the System…...System: “In this day and age, the supporting character must turn over a new leaf, the cannon fodder must counterattack, and the extras must make their presence felt. As the female lead, you are their biggest obstacle.”Gu Shengyin's eyes glinted with cold light. Her smile was stunningly beautiful. “Then let's see: Who, indeed, should be the stumbling block that gets kicked away, and who, in the end, will be the ultimate winner!”Those supporting characters and cannon fodders who wish to eliminate the female lead and rise to the top, have you thought about how you want to die?This story is a sweet romance, 1V1.

The Sect Leader has taken in a new female disciple.She is very beautiful, causing countless people to be enchanted by her.Until Zhou Qing finally activated the entry, seeing a golden tag flashing above many people's heads.According to the hint, that was others' inner notes about him.The chief of the neighboring peak's note on him was [A lecherous pervert playing dumb chicken].Yan's note on him was [Junior brother who is both lustful and daring].Shi Zhen's note on him was [Junior brother Zhou with worsening sleepwalking condition]…When Zhou Qing looked at this new junior sister, her note was[So handsome][So powerful][So domineering].At this moment, it could basically be confirmed that she liked him.So, Zhou Qing gathered the courage to confess.“I... like you.”But she laughed heartily: “Dad, you were so funny when you were young.”

She was born into a powerful family of the nobility, a blue-blooded aristocrat as capable as any man. He rose from humble origins up the military ranks, an iron-blooded knight with high ambitions. A transaction for power severed her from her childhood sweetheart. A tardy encounter was the beginning of his and her vow to meet life and death under heaven, standing shoulder to shoulder.

Political intrigue, dynastic succession struggles. He trampled through it all in the toil of becoming emperor.

Old enmities became new disputes, concerning life and death of entire families. She entered once more into the palace, changing the entire political climate of their world.

Meeting once again, they had become strangers. The peach blossom were all fallen, no more than a golden age grown cold.

- Description from Novelupdates

High school student Mikoshiba Ryouma was summoned to a different world in the middle of a war. Sensing the malice from the one who summoned him (a summoner of the O’ltormea empire), he uses his martial arts to run away, killing important people of the empire during his escape. After the escape, he rescues two twin sisters from the hands of thieves. The sisters who can use magic, swear to serve him as subordinates. Thus, Ryouma begins his journey on the path of the supreme ruler.