Ictus

DING!!

[You killed a Level 3 Mutant Zombie for the first time!]
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DING!!

[You have crossed the limit of humanity! Entering the mutation stage!]
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DING!!

[Congratulations, user! You are now a being beyond human beings!]
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Being a good person cost him his life. When death sent him back, he vowed to take revenge and finish the job. 

Behind the icy cold that grips the world and the red light that fills the sky day and night, he must defy the zombie apocalypse. 

A safe house, unlimited food and drink, every conceivable weapon and a system to help him... But he has only two things on his mind: Survival and revenge.

A Regressor's Guide to the Frozen Apocalypse

After another hour of wasting time, Light realised that it was late afternoon and finally returned home.

As he entered the house, he was greeted by the stares of Petunia and Pacifica.

"So...what's going on?" Light suddenly questioned, and with that, Petunia jumped forward before Pacifica could speak.

"I didn't know you were bringing your girlfriend?" Petunia suddenly complained.

Light shook his head left and right as if confused by these words and questioned "What?".

"We heard everything from Elise, that you went to hunt someone here just for that woman and more. I thought you were going to be with Pacifica," Petunia suddenly added.

Pacifica turned to Petunia with a red face after these words and Light spoke before she could say anything:

They Can Chose I Can't Be Bothered