Three Altars? A Puzzling Message!

DRAGON COLLECTION · Episode 31 · “Three Altars? A Puzzling Message!”

Arata was just your normal high-schooler, until one day when things started to move. He gets entangled in a phone game called "Dragon Collection." With his only redeeming quality being lucky, what can he do about conquering the World? (Source: Shoujo-Sense)