The Simple Life of Killing Demons - Chapter 13Book 11:

After breaking up with his girlfriend, he accidentally acquired a genius system and rose from there against the heavens, becoming invincible..

- Description from Novelupdates

An underprivileged prodigy, a cruel, ruthless world, and an epic story of battle and conquest. A young man with an exceptional inheritance leaves the small, rural city from which he hails on a journey to find the girl of his dreams. He defeats countless prodigies, sweeps through all forces that dare to stand in his way, and progresses step by step toward the pinnacle of all the worlds!
“I’m not targeting any gods in particular. All I’m trying to say is that all gods are trash in my eyes!”

When choosing the companion system, Congliang did a trick, palace fights, house fights, scumbags, counterattacks, and other systems that seemed to be particularly wasteful of brain cells, and pulled a particularly pure-looking “Scum Girl Congliang System”.

Being good means being a good person, and being a good person is simple.
However, after starting the time-travel mission, Cong Liang discovered that her trapping system has another more appropriate name – “Sura Heart Hunting Field”
In other words, how to make a person who was imprisoned by you, humiliated, beaten, abandoned, abused, ridiculed, betrayed, harmed, exploited… fell in love with you and gave you a sincere kiss?
Wait online! Very urgent!

First wear – lame prince
Second wear – Blind man
The third wear – juvenile offender with severed finger
Fourth wear – ghost face fifth uncle
Fifth wear – one-armed tailor

【important hint! ! ! 】
The heroine is a rough man at heart, the hero and the woman got the wrong script series
Every world I will write seriously, so I may wear it slowly
As always, all logical common sense comes from the author’s brain hole, all for the service of the target, you are easy to go crazy
Declined to examine the textual research list, and to take the author’s anger

- Description from novelbuddy

What if an alien baby born in the midst of a major conflict on another planet was sent to Earth to save his life? Born with intelligence and the ability to create technology from any material he touches, he was found by a couple in rural Japan and raised like a normal human.Despite his powers beyond reason, living in a peaceful world forced him to restrain himself. He grew up as a young man who loved high-tech superheroes, but never had the chance to realize his dream of becoming a hero.However, everything changed when he and his classmates were suddenly transported to another world—a world of monsters, war, and chaos. Seeing the helplessness of the humans in that world, he realized that this was the chance he had been waiting for.Not with magic, swords, or ordinary physical strength—he would become a hero with technological sophistication that surpassed any civilization!This will be Ren Takamura's story!