Konoha: Ninja School Sealing Technique Teacher

Six years after graduation, Xia Yan returned to the ninja school again, but this time, he was a sealing teacher. Teach rune ninjutsu, use card games as teaching aids, open a tavern, make movies, build a chakra network... When the sealing technique is combined with modern people's imagination, what changes will it bring to the ninja world? PS: Split CP, single female protagonist Kushina, don't bother if you don't like it