I Am a Masked Hero in the World of Yu-Gi-Oh!

"Tianshangyuan, how many times have I told you that I am not your hero." "Yuzu, I won't teach you how to make cards. It doesn't bring a smile to people's faces." "Cai Qian, the hand you should hold is not mine." Facing the crowd of girls, Wu Kai felt helpless. He has beaten all the bosses in the past, the world line has returned, and the heroine of the story should return to her original position. Why, why would they stay? … Traveling to the world of "Yu-Gi-Oh!" Where abnormalities occur frequently, Wu Kai awakens [Duel Failure System]. During the day, work in a card shop and earn rewards by losing games; Wear a mask at night and release yourself in the dark duel. Live your life to the fullest every day. There is nothing in this world that cannot be solved by a Destruction Phoenix Man; if there is, add the Black Magic Dragon Knight; If it doesn't work out, he still has a perfect cartoon world. Wu Kai thought ordinary days like this would continue forever. Until one day, a certain girl came to the door... This book is also known as [The Lost Duel Kings] [Yu-Gi-Oh: Starting from Losing Cards, Becoming the Dimensional Overlord] [I, Yujo Wu Kai, just want to play cards quietly] [Yu-Gi-Oh: The Dimensional War Begins from the Duel Terminal]