Master Wu is saying that the ninja have become soft, lazy, and flabby after their last big victory. So, after some searching through some of the nicer of the 16 realms, Wu has found a place where his students can train to be even better heroes of Ninjago with the help of pros and others who are training to become heroes.

Izuku always wanted to be a hero, he just never thought his future would involve becoming a ninja, join Izuku Midoriya as the Plasma Ninja as he helps save Ninjago from many threats with his team and friends

Jay finds himself thrust into a new world after chasing a Fuji-dove into an abandoned warehouse and subsequently a portal to a new realm that needs all the help they can get. Can Jay find a way to return home, and how will he cope with being 15, again. (Happens before Prime Empire.)(Rated T Because Bakugou)

Izuku Midoriya is injured while assisting Edgeshot 4 years before he meets All Might. The young boy impresses the Ninja Hero, who chooses to take him on as an apprentice. Follow the Green Ninja on his journey to become a Hero. Rated Teen for description of injuries and violence

During episode 19 of Ninjago: "Wrong place, wrong time" an action caused by Lord.G sends him and our four ninjas to the world of My hero academia see what happens when the ninjas become students at U.A. I DON'T OWN ANYTHING! And strong language (MOVED TO WATTPAD!)