I Became a Black Dog

I'm not a bad person, and of course I'm not a good person either. I'm just an ordinary militant. ——Kuroba This is an ordinary person from Blue Star who was turned into Cu Chulainn Alter by an ordinary system. Then go to the story of fighting in various worlds. The author is a freshman in high school and updates every two weeks after school starts. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.