It's Yu-Gi-Oh, but you need to catch elves

Tag: Blood, Cards, Battle
Summary:
The card player You Yu was directly attacked by the fist and sent to time travel, and came to the Yu-Gi-Oh world he had been thinking about.
He thought that from this moment on, he would be the king of the legendary duel king, but the reality gave him a blow.
[Successful loading!Welcome to the Fantasy Pokémon Training System! 】
Obtaining the system is obviously a good thing, but it made him fall into deep thought.
How did he load a Pokémon system? !
He actually has to take cards to catch monsters before he can play cards with others? !
Don't do this kind of thing!