Naruto: The Ninja Academy's Sealing Jutsu Teacher

Six years after graduating, Xia Yan returns to the Ninja Academy, this time as a Sealing Jutsu teacher.

Teaching rune-based ninjutsu, using card games as teaching tools, opening a tavern, making films, building a chakra network...

What kind of changes will Sealing Jutsu bring to the Shinobi World when combined with the wild imagination of a modern person?

PS: Couples will be broken up. Kushina is the sole heroine. If that's not your thing, please don't read.