I Became Strongest in the World by Summoning Heroes With My Exclusive Gatcha

"Hell Yeah!!! UR King Arthur is Here!!!"　
In a world consumed by invasion from another dimension, where demons run rampant, there was a man who kept pulling gacha rolls relentlessly.
His name is Kamuri Yanagi—a gacha addict who loves gacha and is obsessed with it to the point of ruin.
One day, Kamuri is caught in a demon attack.
In this world, only those with special abilities called Gifted can fight the demons.
With no such abilities himself, Kamuri’s only choice was to run for his life.
While fleeing, he meets Princess Jelly, a true princess who inherited a skill passed down through the royal family. This fateful encounter would change Kamuri’s destiny forever.
When the demons strike again, Jelly entrusts Kamuri with a skill she was unable to master.
What’s more, the skill resonates with Kamuri’s gacha obsession, transforming into a unique Gacha Skill that only he can use.Determined to save Jelly and achieve his dream of unlimited gacha rolls, Kamuri begins his counterattack!
It’s all or nothing—summon the strongest historical figures and turn the tide!