What's Going On!? DraColle!

Sezon 1, odc. 1: When our protagonist, Hiro, is about to play his first game of DraColle, he is suddenly sucked into the game machine, and wakes up in the game world of Dragon Earth! After a course of events, Hiro rescues a monster called a Drake Puppy, and ends up fighting with the thief Meat-Mania.