He was originally an ordinary music school top student, but due to the arrival of a mysterious old man, he traveled to the world of star stealing. After understanding his past and present life, he will use the name of the Demon King to make people in the world tremble. "I am the Demon Lord - Demon Lord Ryusei. I will use my life to protect the people I love, in the name of the Demon Lord" Ryusei.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.
