He thought that the master, who was as cold as the bright moon, was a cold-blooded monster with a human face, a heartless heart, and a heartless, heartless monster!
Therefore, facing the cold eyes of his master, he chose to betray the master and practice alone.
But when he returned from his studies, his master, who was like snow on the mountain, was gone!
Replaced by a mortal brat? !
Concept: Paranoia makes simple things complicated