World of Immortals - Chapter 6 – The Savage Beast’s Rampage

Our protagonist Caam is a man from Earth that was reincarnated into this world as a demon. In order to survive, he spared no effort in avoiding the sparks of battle and without noticing it, he became strong himself.

“H-Haru.... please... go...”In the midst of the sudden and ongoing Apocalypse, which had turned their lives into a complete hell, Haru embraced his loved one amidst the sadness and despair, watching helplessly as her bitten neck turned black.The person who meant the world to him was turning into a zombie, and he felt helpless to save her.“Why... Why... Why...” Tears fell as he held her tight, not wanting to let go. He was afraid, not of death or turning into something else, but afraid of losing her once more.Yet, amongst tears and desperation, a bit of unexpected hope appeared out for Haru.[Ting! Ting! Ting!][System has now finally initialized!!][Assigning a designated Class suited for the User!!][3][2][1][Congratulations! You acquired the EX Class – Zombie’s Husbando!!][First Quest – Choose a Zombie to be your Waifu!]

Aoki’s resolute face was indifferent. “If the sun doesn’t shine on me, please let me be surrounded by darkness!”
From a different perspective, look at the entire Pokemons world.

- Description from Uukanshu

Transcend to become the prince of Daxia, activate the Devil Emperor Summoning System, summon the powerhouses from other worlds, and fight for hegemony in the heavens!

If I were the Devil Emperor in the future, I would definitely let your blood stain the sky!

- Description from novelbuddy