What would happen if a ninja who had accomplished nothing in the Ninja World came to a world of spirits?
Han Ling: Wait, isn't it great to grow stronger step by step in the Naruto world?
When ninjutsu meets angels, and chakra meets spiritual power.
Itsuka Shido, will you open something called a harem, or accept the sacred flames of the legendary FF Group?
Shido: No... Where did you even learn all this stuff?! I get making references, but as the strongest spirit, can't you be a little more aloof?
A plane-hopping journey where the protagonist gradually grows stronger and increasingly turns into a goofball. Well, all in all... this is a win.