Konoha: My Items Can Be Upgraded Infinitely

Traveling through the world of Naruto, he became a civilian ninja in Konoha and was destined to become cannon fodder in the future. Suddenly one day, Tengchuan Yosuke found that he had an item upgrade panel. Yosuke Tengikawa: Come on, let me see where the limit of item upgrading is. Ordinary kunai → Forged kunai → Artifact kunai → Holy weapon kunai (passive verb entries can be selected, the number of entries + 1 for each upgrade) Ordinary Ninja Sword → Finely Forged Ninja Sword → Sacred Ninja Sword → Sacred Ninja Sword... When the ten thousand year genin Tengkawa Yosuke was wearing a sacred object and split the mountain with a casual blow. He put his hands in his pockets and stared ahead, never knowing what his opponent was.