Is there a novel of this??

Yes.

: https://www.novelupdates.com/series/regas/

THANK YOU! how does the site work?? And what chapter do you think it is??

Last chapter is vol. 3 part 7
Just scroll down and click the chapter you want to read and it will direct you to the site.

Thank you sooo much (づ￣ ³￣)づ

You need to make an account first to make the chapter links show themselves!