I Help Naruto Become Hokage

Akin from the nautical world mysteriously disappeared after a battle. People thought he was dead, but they didn't know that he came to another world. This world has no devil fruits and no Haki, only chakra and all kinds of strange ninjutsu. In this world, he will witness and help Naruto's growth, making him become Hokage. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.