This Human Became The Bizarro Lord身为人类的我却成为怪异之主 ; Shēnwéi Rénlèi De Wǒ Què Chéngwéi Guàiyì Zhī Zhǔ ; Shenwei Renlei De Wo Que Chengwei Guaiyi Zhi Zhu ; Shēn Wéi Rén Lèi De Wǒ Què Chéng Wéi Guài Yì Zhī Zhǔ ; Shen Wei Ren Lei De Wo Que Cheng Wei Guai Yi Zhi Zhu ; I'm a Human, but, I Became the King of Monsters

Since childhood, the protagonist could often see terrible bizarre creatures that no one else would see throughout lifetimes. Yet, he was never afraid. Instead, he was drawn to those bizarros and grew an attachment to them. Then one day in high school, he happened to meet a bizarro monitor and receive an invite to manage a prison that houses countless bizarros, as well as track down the ones who went lost in the world..