Abe, otherwise known as Killer Machine Abe (キラーマシーン阿部, Kirā Mashīn Abe), is a second year student at Ishiyama High School. He is seen always wearing a orange seat-shirt and have multiple scars on his face. Also seen wearing a black necklace around his neck. He also has a indimidating appearance and a big built.

Oga Tatsumi is a first year student in Ishiyama High, a notorious school for delinquents. One day he sees a man floating by, and the man suddenly splits in half to reveal a baby boy inside! 
(Source: Crunchyroll)

__Height__: 175cm

Not to be confused with the other seiyuu [Takayuki Kondou (近藤孝行)](https://anilist.co/staff/95829)

The story follows the "strongest juvenile delinquent", Oga Tatsumi, a first year in "Ishiyama High" the school for delinquents. One day while sleeping next to a river he sees a man floating down it, he pulls him to shore and the man splits in half revealing a baby boy. This boy is the son of the demon king and he has been chosen as the one to raise it with the baby's demon maid Hilda. The story follows his life with the child and at the delinquent school.
 
Note: Includes 12 extra chapters.