http://www.lunap.com -->This is where I got the Shin x Kumiko Fanfics

http://you.shueisha.co.jp/gokusen/index.html --> The official site of Gokusen.

http://annex.s-manga.net/gokuken/ --> See this! It's nice! I swear you'll like it.

http://www.animejb.net/shinkumi --> A Shinkumi Fanlisting