See a Monster? That's Not a Delusion

(No heroine + decisive killing + growth + fast pace) A street shooting caused Li Jiutian to lose all his memory and was imprisoned in the prison of original sin. Here, he can see things that ordinary people cannot see: all sinful people are twisted monsters in his eyes. He went from prisoner to cage master, but found that it was all a game from the beginning. He is an experimental subject created by the Control Bureau using the darkness of the abyss, and is the only "perfect product" to survive among the first nine generations. His eyes are called the "Eye of Original Sin" and can see all truth and see through all evil. And his true identity is one of the seven first-generation Lock Masters who transformed into a well thousands of years ago to suppress the darkness of the world - the only reincarnation. When the seven wells of the abyss trembled at the same time, and when the dark colossus at the bottom of the well was about to awaken, Li Jiutian stood between the world and destruction and made the final choice.