Ultraman Dark Circle

Time travel? Or the world of Ultraman? What should I do about this? In this world, there is a little monster every three days, a big monster every five days, and even if you are not careful, you don't know which day you will die. Fortunately, time travelers have golden fingers. The Three Heroes of Heisei, the New Generation, and the Five Emperors. In order to live well in this world, I have to work hard to become stronger This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.