- 22 years old - 3rd year student at Kantou University - Plays shortstop and is right-handed - Went to Koshien as a high school student - Tried out in the U.S. before, but didn't make it - His parents don't approve of his dream to play baseball in the U.S. and want him to settle down and get a job
A journalist who returns to his hometown, ÅŒtomo City, in order to investigate the Skull Man.
Narita Hayato sees himself as a "hard-boiled" person. Back-breaking jobs are nothing to him. Hayato shuns normal human contact, but, during the nights, he would get together with delinquents and other denizens of the night. One such night, he meets the cheerful and oblivious Ootori Naru.
A 16-year-old student and the bright mood-maker of the club. He is the only member of the club who wears glasses only for show. Because his eyesight was too good, he was refused entry into the club at first by Akira, but after asking again and again, he was finally accepted as a provisional member. Many of the members of the club think of him as annoying due to his nature to seek attention most especially Mitsuki who dislikes him very much that he would always plays rough jokes on him, but since he gets his way in the end, he doesn't mind at all. His favorite glasses are ones with oval-square cel frames, and he has 2.0 vision in both eyes. (Source: ANN)
Kodaka and Kobato's father, whose job as a travelling archaeologist made him leave his two children in the care of his old friend, Pegasus Kashiwazaki.
Hayato Tsukishiro is a 19-year-old Department Leader of the Annex Division. He looks out for the underaged Jinki users and is shown to care about them greatly, not even hesitating to disobey the Chairwoman's orders so as to protect his subordinates. He was Youhei's former partner before Rena, and has a Jinki as well. Due to sustaining injuries on his legs, he was forced to retire from the front lines and is now bound to a wheelchair while being tended to by Suzu. He is one of the people who discovered the identity of "The Source of Infection" by himself. (Source: World Embryo Wiki)