Alright!! UR (Ultimate Rare) King Arthur has come! In a world where demons are rampant due to an "invasion" from another dimension, there was a man who continuously played gacha games. His name was Yanagi Kamuri. A gacha fanatic, totally consumed by his love for it, he was a true gacha addict. One day, Kamuri faced an attack by demons. Only those with skills, known as the Gifted, could fight against them.