Spirit master who is thought to be hiding his true ability to actually always fight very veriously
Prologue
Spirit Masters. In this world, those who form contracts with mysterious beings called spirits—entities composed of spiritual energy—and borrow their power to manipulate them are known by this name.
For Spirit Masters, forming contracts with spirits is fundamental and of utmost importance. The technique of spirit contracting, which allows them to connect with spirits’ souls and freely draw out their power by communicating heart-to-heart, is said to be the requirement for becoming a Spirit Master.… Read more
