[Urban + spiritual energy recovery + cool writing + anti-routine + European Emperor's possession + more...]
The protagonist accidentally gets a mysterious crystal and starts a new life. Signed a contract with the spiritual beast Pikachu, and one person and one beast were accompanied by fun. A brand new way of practice. The protagonist does not practice according to the routine, pretends to be a pig and eats the tiger, opening up a new routine for the recovery of spiritual energy. The protagonist accidentally discovers that his soul can swallow the soul of a ferocious beast, and he can gain some of the abilities of the ferocious beast.
