You are reading I Became Strongest in the World by Summoning Heroes With My Exclusive Gatcha Chapter 19. 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 da