I Only Have Support Skills - Chapter 25: Combat Assessment

I, the protagonist, was just an ordinary NEET, but suddenly I was reincarnated as a tiny white snake in a fantasy world where legendary creatures and gods exist. Not only that, but I awakened in a cave as the offspring of a terrifying Medusa Serpent.Armed with only my human knowledge and my indomitable mental strength, I'm forced to use cunning tactics and rapidly evolving skills to survive against far stronger monsters and humans... So begins the survival story of a former shut-in with incredible willpower, living as one of the lowest-ranked beasts in a world of magic!ᆖMusic suddenly started playing in my head.I'd been waiting for this moment for so long.'Snakes! Assemble'....

Arin, an ordinary office worker, used to dream of a ruined world where humanity was forced into deadly games for the amusement of [Constellations].Then those dreams became reality.As monsters descend and scenarios begin, Arin finds himself one step ahead, holding knowledge of the future others don’t have.But in a world where standing out means being watched, his knowledge quickly draws dangerous attention… from beings far beyond human.Including three powerful Vampire Queens.Follow Arin as he uses his knowledge to survive brutal scenarios, grow stronger, and carve his own path through the apocalypse… alongside the Vampire Queens who have taken an interest in him.

“I beg you, please teach me how to pick up female angels!!!”
Pleaded the twelve-winged angel.

“Teacher!! How can I fool more people into my sect?”
Asked a devil in the devil world.

“Do you know how to save the family cat that died last night?”
Someone in the sky is too embarrassed and asks me quietly.

“All the angel, all the big deity, please I am not God, I am really just a summoner….”
I said painfully.

This is the story of a poor boy and how he becomes the greatest summoner who dominates the six worlds because of an accidental acquisition of Dimension.

- Description from Novelupdates

Fate, a gatekeeper who had been working for the castle, is beset by a few burdens.