Yu-Gi-Oh!, all my sister cards have maxed out their favorability?

Step into a world of dueling where card effects are tied to favorability levels in 'Yu-Gi-Oh!, all my sister cards have maxed out their favorability?' This novel offers an OCG direction and careful analysis, making it accessible even for newbies. Join the protagonist as they navigate a realm where dueling reigns supreme, and unravel the mystery of their sister cards' favorability reaching its peak. With the goal of reviving the Eastern Duel and aiming for the World Championship, this story promises thrilling adventures and unexpected twists.