Sat Gakuen (-Flame Triangle´s-)

Well, this is "Sat Gakuen", from my actual manga "Flame Triangle´s", he becomes the best friend of "Setsuna", who´s actually the bad-guy, Sat Helps him outta really bad situation and rescues his life...
All right, to the drawing : 1.)pencil
2.)black-liner
3.)colouring with brushes
4.)colouring with edding
5.)colouring with pens
6.)PC -->GimpShop (Background, Speed/Light-lines)
Please write me your opinion about the characters ^_^, i would love to hear =)