Sumio Haiba

Sumio Haiba is the only son of Mina Haiba and his unnamed father. He is the protagonist of the ǝnígmǝ series

~!He was chosen by his old childhood friend, Kirio Imizuka, under the alias of ǝnígmǝ, to attend the fifth e-test. As of the end of the e-test, he has taken over possessing and taking on the identity of ǝnígmǝ from Kirio.!~