MTL - Little Mermaid Dressed As a Scientist - Chapter 41

An orphaned boy with dreams of making it big through being a blacksmith is given a once in a lifetime chance to succeed when he's taken in by an odd pair - Eggor and Ella. While former teaches him the arts of craft, the latter teaches him the mysticism of cultivation, granting him two paths to tread in this life.

In the year of 2013, the tide of zombies outbreak exploded in everyone homeland, humanity launches a large-scale battle in the endless nights awaiting for the arrival of the dawn.

The end is approaching, is there going to be a way out for them?

Their faiths were shattered into pieces and buried in ashes in the raging fire.

But within the blazing fire, a newborn hope arise once again.

- Description from Novelupdates

Emperor Xianwu ninth reincarnation, only to break through the shackles, was besieged and killed by masters from all walks of life.

Fortunately, a ray of divine consciousness traveled across thousands of planes to the earth and entered the body of the dead young man, just to get rid of the anger in his heart and to regain that peerless peak!

- Description from MTL

Inexplicably reborn in the year 2003, having failed terribly in his previous life, the prevailing concern with Xu Tingsheng, that stands above all else, is none other than her. But alas, he is just months away from entering university, while she is but in her first year of junior high… Regarding this, all he can do is wait silently…for now.