[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...

【无系统】+【无女主】+【无穿越】+【杀伐果断】+【魔头】+【不择手段】+【御虫】+【凡人修魔流】本书又名《我的虫儿真的很怂》，《心死魔生，魔蝉与我新生》《你们见过一身法力纯净无比的魔吗？》父母不以为子，弟妹不以为兄，世人的唾恶，擡头即是罪过。于是，他种恶果，焚业火，自废堕，宁可永坠阎罗。就此以身饲虫，道心种魔。这是一个魔头的故事，魔头一路向前不曾回首，亦不会罢休。Ps：主角没有三观，自私自利，为达目的不择手段，视生命如草芥，不喜慎入。境界划分：炼气、筑基、结丹、元婴、化神…

以身饲虫，我就是邪魔外道

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

ifeedthewormswithmybodyiamtheevildemon以身饲虫，我就是邪魔外道

Series of 一朝风月