If you're looking for anime similar to Class Shoukan ni Makikomareta Kyoushi, Hazure Skill de Kikai Shoujo wo Shuurisuru, you might like these titles.
Reborn in a strange and brutal game world, he had only two choices – to devour or be devoured. But is this the world that human power can build? “The place you are in is the abyss.” – Within every human body lies a source of energy, and if you establish a connection with it, you will transcend life and death and become invincible.
The legendary tale of the Xyrin Empire is not about its struggles... or the tempest of another world or some cultivation myth. This is a super-serious, super-hard sci-fi novel about saving the world. Take what I’m saying seriously... Not. Okay, this is just a funny story about a deceptive human emperor, bringing his bunch of slippery alien leaders to have fun saving the world every day. Chen Jun is an unmotivated otaku who turns into the Emperor of an ancient intergalactic magic sci-fi empire. With the aura of a stay-at-home dad, he is nothing but a middle-aged man who adopts a group of lolis... and an army of freeloading aliens that came out of nowhere. Er, what? Ahem. Really though, this is a super-serious story... a super-mega-ultra-serious sci-fi story. For the Empire!
As a person who is down-to-earth as well as a good Samaritan, Hao Ren desires to live the rest of his life as a benevolent landlord. Stumbling into a curious yet mysterious lady, he began his journey of “collecting” abnormal and supernatural tenants. His life only became more chaotic when he receives a labor contract from “God”. Discover the many races, myths and worlds that lie beyond what humans define as normal! This bizzare fantasy full of fun is sure to bring you on a crazy rollercoaster of emotions!
After a great catastrophe struck, the world was set back many years and humanity started living in anarchy. With time, society started building up again and people were now living in walled strongholds and fringe towns across the land. Humans have also become distrustful and ruthless in an unforgiving society where the strong survive and the weak are eliminated. Growing up in such an era, Ren Xiaosu had to fend for himself. After an incident, he gained supernatural powers...