The legend of Tamashi

Aoichi is a strange boy who wakes up one day unaware of who he is or what his purpose is all he knows is he wants to collect the 6 mythical swords of tamashi and become the strongest swordsman in the world he himself has no clue why he wants to but he just does maybe it has something to do with his past that he has long forgotten aoichi must step up and find out what happened in the past why he can't remember who he is and whats the mystery behind the mythical blades of Tamashi