As the Minor Gay Love Rival in Het Novels - Chapter Ch2.12 - Arc 2 Extra: At the Beginning

A former sporting rifle shooter genius transforms into the ‘Juvenile Butcher’. While originally supposed to have received the death penalty, he was instead fortunate enough to have entered a secret and highly regarded armed force, throwing himself into the ‘Nirvana Project’.

After a period of 10 years, he now has time to freely recover. Having trained until he had excellent military and martial skill, he sweeps through various military districts and returns back to his hometown. Under the monitoring of a beautiful female cop, he re-establishes his family’s bodyguard service, protecting beauties and moving unhindered, his achievements causing the fame of his outstanding, god-level bodyguard service to resound across the world!

- Description from Novelupdates

With the booming age of the internet, livestreaming is already a prevalent career all over the world. With people proving that money could be earned here, a lot of people jumped into it, gaining fame and wealth.Jay is a struggling 21 years old college student who dreams about becoming a livestreamer. Unfortunately, Jay don't have any talent beside his slightly handsome face. Because of that, it was hard for him to even have some viewers.But by a miracle, Jay gained the ownership of the Cube, changing his life all the way by doing all kinds of achievements![Congratulations, you completed the achievement 'Sing to your viewers in your live stream.'][You acquired the skill 'Singing' level 1.][You acquired 5,000 pesos.]...Disclaimer: This is a work of fiction. Unless otherwise indicated, all the names, characters, businesses, places, events and incidents in this book are either the product of the author's imagination or used in a fictitious manner. Any resemblance to actual persons, living or dead, or actual events is purely coincidental.

There was a Senior Brother and a Junior Sister. One of them was transmigrated to this world and had cheats while the other was the reincarnation of a Great Emperor.