The Holy Eucharist Is Ferocious

One night, Lin Li found that his sister was in contact with a young man wearing strange clothes with a dog. He was also saying strange words, such as slaying demons and defending the law, and reviving heaven. How could a brother allow such a dangerous thing to happen? ! In order to prevent his sister from joining a strange organization, in order to prevent his sister from going astray, and for the safety of his sister's life... Lin Li decided that he must persuade his sister to quit! This is a story about Lin Li transforming into a ferocious demon king in order to protect his sister.