MTL - After I Was Reborn, I Devoted Myself To My Career - Chapter 40 confused

We attend school, find love, work, buy a house, pay our housing loans, insert weird faces in WeChat, watch movies… do any of you find anything amiss? One day, a group of strange people entered this world, equipped in strange clothing and possessing extraordinary powers, cold-blooded killers! They call themselves [Players].

The Descent of the Dragon Tower.A young man refines the nine Dragon Emperors, cultivates the invincible Dragon Body of eternal glory.Slays the emperors of myriad heavens, gods, and demons alike, defying gods and Buddhas.Invincible across nine thousand realms!

This is a cliché story about two young people saving the world.

Ding![The Host has died!]A system message popped up in front of Nell's body after his last dying breath.Ding![Dark Evolution has been activated to absorb the death essence of the host.]And then he opened his eyes to find himself in the past right before the battle started.'Ah! Am I back to the past?'Ding![Please choose a partner to start the Dark Evolution process.][Partner Condition: Must be a living creature from the Monster category, not the Human category][Partner Gender has to be Female.]'Partner? A monster?'Nell's heart pounded in his chest, and he felt a cold sweat coming on.'A female monster?'