Yureka

In the virtual world of Lost Saga, Jang Kun and his friends, known by their aliases Lotto, Boromir, and Ah-Dol, are renowned as heroes or infamous troublemakers. Their bickering and lack of teamwork often hinder their progress, but they must be ready for anything, whether it's battling werewolves or confronting a pair of thieves seeking revenge. When Jang Kun, Lotto's real-life self, encounters a mysterious girl around his age, he finds himself with her game card, which bears the name Yureka. Unbeknownst to him, this encounter will unravel a hidden connection between the game card and his gaming console, revealing a tale that is more than what it seems.