25 books in series

GTO: Great Teacher Onizuka

GTO: Great Teacher Onizuka is a 25-book series with 25 released primary works first released in 23 with contributions by Tōru Fujisawa.

GTO: Great Teacher Onizuka, Vol. 1
GTO: Great Teacher Onizuka, Vol. 2
GTO: Great Teacher Onizuka, Vol. 3
GTO: Great Teacher Onizuka, Vol. 4
GTO: Great Teacher Onizuka, Vol. 5
GTO: Great Teacher Onizuka, Vol. 6
GTO: Great Teacher Onizuka, Vol. 7
GTO: Great Teacher Onizuka, Vol. 8
GTO: Great Teacher Onizuka, Vol. 9
GTO: Great Teacher Onizuka, Vol. 10
GTO: Great Teacher Onizuka, Vol. 11
GTO: Great Teacher Onizuka, Vol. 12
GTO: Great Teacher Onizuka, Vol. 13
GTO: Great Teacher Onizuka, Vol. 14
GTO: Great Teacher Onizuka, Vol. 15
GTO: Great Teacher Onizuka, Vol. 16
GTO: Great Teacher Onizuka, Vol. 17
GTO: Great Teacher Onizuka, Vol. 18
GTO: Great Teacher Onizuka, Vol. 19
GTO: Great Teacher Onizuka, Vol. 20
GTO: Great Teacher Onizuka, Vol. 21
GTO: Great Teacher Onizuka, Vol. 22
GTO: Great Teacher Onizuka, Vol. 23
GTO: Great Teacher Onizuka, Vol. 24
GTO: Great Teacher Onizuka, Vol. 25