Half-human, half-demon dog apprentice, attack/pet apprentice, crazy demon, paranoid mechanic, master
An accident caused them to meet,
A conspiracy involves them in entanglements dating back thousands of years.
What is hidden behind the thousand-year sect?
In desperate situation, at the time of separation.
"Be good, the master was wrong this time, live well."
A two-way journey and redemption.
Purpose: Dream come true