Traveling to Another World and Then to the Wonderful Life of the Ninja World

Living an ordinary life on earth, he experienced an accident and traveled to another world. He was already invincible. He never made any progress in his breakthrough. When he accidentally broke through, he was attacked by a close relative. Finally, he used treasures to travel to a strange world. Those who cannot defeat me will eventually make me stronger. When I return with revenge, he begins his life in the ninja world! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.