This is really not mechanical ascension - Chapter 257 - 143: Taking Ruthless Action - Space Wormhole? White Dwarf Star Core?

Those Years I Opened a Zoo

Duan Jiaze, who was poor, inherited a private zoo after graduation, and was forced to download a “hooligan” APP called “Ling Xiao Hope Project”, which ushered in other “animals” such as Luya (golden crow), Daji (nine tailed fox), Bai Suzhen (white snake) and Black Bear. App will punish if he fails to complete its business-related tasks regularly.

In this way, Director Duan was like ”a duck driven onto a perch”, and began his journey of unifying the world’s demons while journeying on a road to be becoming famous.

- Description from Novelupdates

Getting the [Boosted Gear] is expected for Issei. What if he gained it a month early and another one as well? Let the Games Begin... IsseiXHarem (if it wasn't, it wouldn't be DXD). Now has a TVTropes page! Getting the [Boosted Gear] is expected for Issei. What if he gained it a month early and another one as well? Let the Games Begin... IsseiXHarem (if it wasn't, it wouldn't be DXD). Now has a TVTropes page!

Spot was summoned from his comfortable charging pad and familiar floors to a world of magic and intrigue. After the flight of his new patrons, he is left to care for a filthy castle. During his quest to keep this new home clean, he will face demons, foreign armies, and the dreaded stairs.All those who stand before him will be swept away. Those who follow his spotless trail will find enlightenment, purity, and a world on its knees.Follow this wholesome vacuum on his quest to power.

[System Activation Complete][Welcome, Host, to your new world.][You died, and your soul has been transported into a new world.][Mission Assigned: Build the Greatest Empire in This World]After a fatal accident, Aric awakens in a strange new world, now in the body of a seventeen-year-old half-elf with nothing but a shattered past. Abandoned by both humans and elves, he’s forced to survive alone in a dangerous forest. With no one to trust and nothing to his name.He awakens a mysterious system that gives him the mission to create the greatest empire. Aric takes up this task in other to survive, trying to make the greatest empire from scratch in this new world. Will he make it to the end other will this world swallow him.