The Rusty Hunter - DxD

Issei never has loving parents instead he has some junkies who sell him to some shady supernatural organization. He ends up without a sacred gear and a Heavenly Dragon-sized hole in his soul and he is only seven. 9 years ago he has a heavy moniker and is quite strong he goes to his hometown of Kuoh town because apparently a normal highschool education is nessacary. (No Harem)