Ranmaru, Akechi - Rounin event idea - Radius

I was thinking maybe that the samurai teacher event would be a refugee Rounin who left his teacher and his friends for Kumogakure via boat, since he was first residing in Kirigakure. His boat was drifted off course and he landed in Shimogakure, believing it was Kumo though, Akechi questioning the warriors wielding katana and asking to duel with them, not a fatal duel, just a test of strength and combat abilities. Naturally the better swordsman, the rounin would sweep the challenging warrior and tell the young ones who wish to learn swordsmanship that they should come to him to learn it instead of the warriors.

This'll most likely anger the warriors since a foreign stranger is doing such a better job than them at teaching the children combat and survival, and will probably attempt to exile him, As the male becomes more and more well into their culture, he'll realize that he's not in kumo, But in shimo. When the warriors attempt to exile him, he'll think of them as the samurai that tried to capture him and take him back to Tanzaku for his execution via suppuku. He'd attempt to run from them and leave the village, seeking refuge in the mountains until he arrives in Ihaigakure. Continuing his journey across Omnyo.

Akechi then would do the same with the ihaigakure Shinobi but be less on guard because they're probably would be more open to the male. Once he gets situated enough and teaches the children of the village, the rounin would leave for home on a constructed boat that they made for him once he left off for his travel across to mainland world.

(This aint the final plan, It's just a thought, u can edit this or just drop it off.)