Prison of Catastrophe

The seemingly ordinary yet not-so-ordinary detective Wen Wen wakes up in a psychiatric hospital to discover that his right hand is now connected to a mysterious space called the "Asylum of Calamities." This space holds captive monsters whose abilities Wen Wen can acquire! By capturing a vampire, he gains a powerful physique; by capturing a ghoul, he can spray corrosive acid; by capturing a curly-haired ape, he experiences a drop in intelligence... In short, to gain more and stronger abilities, Wen Wen begins to diligently capture monsters, leading him into a bizarre world of supernatural powers, where he uncovers the hidden truths beneath the veil...