Don't Force Me to Upgrade

Does the level 100 sword god like to show off? Upgrade to level 1 and you will be defeated in seconds! Magic attack +999! Physical attack +999! Critical hit +999... By chance, he traveled to an extraordinary city that was transformed into an online game, and obtained a late-blooming card-level system. As long as the card level can increase the attributes. The longer the card is stuck, the more attributes will be added. So, start creating a legend! Hokage, genin! Be brave and cautious! Divine Comedy, Katun! Level 10 male: "Hey, level 1 rookie, robbed him. Oh my God, please forgive me!" LV25 female: "Gee, you want to play this dungeon at level 2 too? Oh my God! The master is so cute!" Level 37 monster: "Haha! You want to kill me as a boss at level 3? I can't believe it..." … This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.