Toaru Majutsu no Index: Genesis Testament - Volume 2, Chapter 3: In the Void of Zero — Contact_6.

When the last alien on the world was bound to a stupid but cute world-saving system thinking he was a human:

A resource depleted world:

Alien: “I can help them deplete 5% of the world’s population in the short term, this way, this planet can continue to survive.

System 2d14 was frightened to tears: “No, don’t! Lord host!”

One day:

System 099 was shocked: [Lord host, the record you set for completing one’s first world has been br-broken by a rookie!]

Big boss Huo Li raised an eyebrow in intrigue: [Oh? Who was it?]

A certain alien happily thought that he was invincible among all carbon based life-forms! Until…… he met a powerful psychic ability user!

A horrified alien: “Hey! Why can’t I control myself?”

Powerful psychic controller gong x ultimate evolution of carbon-based organisms shou

Loyal dog with a strong sense of responsibility gong x always pretending to be human black belly shou

In the beginning there is a love-hate relationship and mutual dissing, later there is a pair of husbands cooperating to fight monsters~

- Description from Novelupdates

“I turned into a young dragon and was captured and raised by an Evil Dragon. As we spent more time together, I noticed that the way the Evil Dragon looked at me started to become increasingly odd. It seemed... he was raising me as if I were his wife!” Princess Lucia, transformed into a young dragon, wrote down her discovery with trembling hands in her notebook.

In 1930s Canada, a 16-year-old landlord unlocks a System unlike anything this world has seen—a power that lets him grant supernatural abilities drawn from warriors of another realm. Barbarians, Archers, Wizards… all under his command.

I want to go to the fairy road, step on the gods, I want to be happy!
Repair the baby, cast the fairy body, and smash the fairy mark!
The starry sky opens, the gods fight, and the depths of Chen’s home are back!
I am Xiao Hua, this is the story of my god that I am in the world of immortality, creating souls, dying, dying, and not dying.

- Description from Uukanshu translation