There's No Love In the Deathzone (BL) - Chapter 765: Side Story 4. Endless Journey - 48

A National Treasure—a hero who rightfully deserved everyone’s respect.They were those who dedicated their bodies, minds and skills to protect the defense and honor of the nation.They were directly related to the nation’s strength.

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

One of the six people called heroes, Raid, fought alone against the Devil, and ended up dead.

After meeting with a suspicious god, he woke up again and found out he has born again as a baby.

Moreover, as a daughter of his former companions.

In order to regain his former power, Raid/Nicole has to go through a life of hardships to reach the ideal he aims for.

Before going to college, an ordinary high school student went to celebrate and got drunk. When he woke up, he found himself in a completely different world. There was a big sect, the approaching sect entrance examination, a slum where his body’s previous owner lived, and a shared memory about a missing young girl.

When he got tangled in a fight with a few punks in this different world, he fell off a cliff and miraculously found himself still alive, with two more voices ringing inside his head. They were Sword Master and Saber Master. In the company of them, he continued to find out more about this whole new world. He took the sect entrance examination, entered the sect, met a strange man in black, and even participated in a major competition of the sect to have a chance to win over his peers!
In this whole new world, he was born again and got to explore the fantastic martial world!

- Description from Novelupdates