There's No Love In the Deathzone (BL) - Chapter 50 - 49. Nostalgic Voice

Roy’s life was nothing special. The only thing commendable was the last few moments when he saved a mother and her child from a drunk driver.
…
It’s really an egg! Damn it, what kind of monster have I become? Did I fall into Hell instead of making it to Heaven??
Join Roy as he ventures through various worlds with the Custom Made Demon King System—a system that allows Roy to draw anything he can imagine and create it through exchanging souls!

​The world, Earth, was devastated by the Great Incursion, an apocalyptic invasion by dimension-hopping monsters. Humanity's only hope now lies in Galaxy Fall, a newly accessible parallel world where they can gain strength through a System of quests and missions.​Five hours after the Invasion, the betrayed survivor Mirabella is mysteriously reborn and gains a unique power: the [Master Account System].Her initial skill is the deceptively simple but devastating 'Multiplier x100', which applies a 100 times buff to all her offensive capabilities, including physical attacks, spirit energy skills, and damage-over-time effects.​Mirabella must now transform from a silent survivor into the world's most feared warrior, who was only scared of one thing, which is?“I Hope I don't run out of opponents in Both worlds.”

A young Japanese man inherits his parents' grape farm after they impulsively bought it during retirement but couldn't handle its physical demands. Though initially reluctant, he finds success farming for three years until market oversaturation causes prices to plummet. While playing a new video game called “Immortal Order: Origin” about historical secrets, he is mysteriously transported to 16th century North America, where he encounters starving English colonists from the lost Roanoke Colony. His grape farm has been transported with him, complete with modern equipment and a secret gift called 'Immortal'.

Tang Shaoyang, an orphan who dropped out of the middle school to fight on the street as he found out school was useless for a penniless orphan like him.

Tang Shaoyang dropped out of his school, fighting on the street, and made a name for himself. Berserker Tang from Youyouliucun.

Afterward, Dragon Wing triad recruited him and everything was good for him. Even though the public deemed him as a tumor of society, Tang Shaoyang was having a decent life. Until one day, everything changed as an absurd and strange game started.

[… Game starts! Stage one: Survival for The Fittest!]

After the game started, zombies appeared out of nowhere.