MTL - My Teacher is Sun Wukong - Chapter 1855 Death Valley 3

Oosuki Masato is an ordinary high school boy who is magically transported to an alternative world, but for some reason his doting, over-protective mother comes along as well.

Ye Chong was a denizen of Trash Planet-12. On one fateful day, he discovered a treasure that would forever alter his destiny from a pile of junk – Mu Shang, an unknown machine with artificial intelligence and a lost memory. Together, they venture into the vast galaxy as the isolated “caveman” that was Ye Chong began absorbing all sorts of knowledge and meeting people from all walks of life. He gradually discovers more and more about his own mysterious past as well as his partner’s. Read to find out more!

My reunion with her took place in the worst possible way.