Doraemon: Armor Warrior

I accidentally traveled to Nobita's body and came to the world of Doraemon. I faced the big devil of the demon world and merged with the flying shadow armor. Let's listen to your lullaby! Facing the Iron Armored Corps, the Shura Armor is combined, and the door to hell has been opened for you! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.