MTL-I feed the worms with my body, I am the evil demon

Synopsis

[No system] + [No heroine] + [No time travel] + [Decisive killing] + [Demon] + [Any means necessary] + [Insect control] + [Mortal cultivation of demons]This book is also known as " My insects are really cowardly ", " Death of the heart leads to the birth of demons, the demon cicada and I are reborn " and " Have you ever seen a demon with pure and incomparable magic power?" Parents do not think of him as a son, brothers and sisters do not think of him as a brother, the world spit on him, and it is a sin to raise his head. So, he planted evil fruits, burned the fire of karma, and wasted himself, and would rather fall into hell forever. So he fed the insects with his body and planted demons in his heart. This is a story about a demon, who has never looked back and will not give up. Ps: The protagonist has no values, is selfish, and will do anything to achieve his goals. He regards life as worthless. If you don't like it, please be careful. Realm division: Qi refining, foundation building, Dan formation, Yuanying, and Shenhua...