World: Don't You Dare Come Any Closer!

He somehow transmigrated to the world of Naruto… He was given a starter pack from the Original Infinite Worlds. After finally saving enough money to get home, he discovered that his first transmigration was only the beginning. The real world was being invaded by worlds from all kinds of fictional works, and every kind of demon, monster, and eldritch evil god had appeared… This world really does have a problem. A serious illness calls for strong medicine, so if that's the case, let me save the world!

World: ???

"Don't come any closer!"

This book is also known as From the Start, Unlocking the First-Stage Genetic Lock; Breathing Techniques and Swordsmanship That Cut Through Naruto; I, a Saint, ** the Myriad Worlds

This novel and its characters are entirely fictional. Any resemblance to actual events is purely coincidental. Do not imitate.