male
Isaka (伊坂) is the human form of the Category Jack of Diamonds Suit Peacock Undead (ピーコックアンデッド, Pīkokku Andeddo) and the first Category Jack Undead that appeared in the show. He's also the creator of the Leangle Buckle and killed Sakuya's fiance.
Peacock Undead
Peacock
for Peacock in Zoo
Suggested by satsuinohadouken5100
All the animals you can find at the Zoo. If you don't find what you looking for, you can check my other stories : Aquarium and Prehistoric Museum.
