Invincible Summoning System

By accident, he traveled to another world and accidentally opened the invincible summoning system, which can summon various helpers for a permanent and limited time. As soon as I crossed over, I encountered a monster. I used the Summoning Order to summon Ultraman Tiga for a limited time, and he defeated the monster immediately within one minute. A mysterious monk: I am Buddha What, this monk said he is Buddha, come out! Tathagata Buddha. Take Madara, Akainu, Zaraki Kenpachi, Frieza, Saitama, and many more... Into another world. The system store is open and you can buy a pet to play with. Pikachu, BattleGreymon, Tyrannosaurus, Gray Wolf, and Tom Cat. What are they selling in this pet store? System: The host system store has prepared all kinds of evolution stones. Buying a pet can improve it infinitely. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.