He is 17 years old. He often lazy . He is stupid but very strong, friendly . His dad is a president of Nochim. He is very kind. His best friend are Maya and Yasu. He hate studying because he is lazy. He is about 175 cm. Jaki has a girlfriend named Maya and they attended Werewolf Class so they are very close besides Yasu. He has many other versions in different universe. Jaki sometimes afraid of his opponent but he never give up. He always tries his best to save everyone. He can teleport.