Jinsei Wahaha!

 is the ninth single by Fudanjuku.

Regular Edition CD

 * 1) Jinsei Wahaha! (人生わははっ!)
 * 2) Yuki no Yoru (雪の夜)
 * 3) Senpai no Kanojo (センパイの彼女)
 * 4) Jinsei Wahaha! (人生わははっ!) (Instrumental)
 * 5) Yuki no Yoru (雪の夜) (Instrumental)
 * 6) Senpai no Kanojo (センパイの彼女) (Instrumental)

Limited Editions CD

 * 1) Jinsei Wahaha! (人生わははっ!)
 * 2) Yuki no Yoru (雪の夜)

Limited Edition A DVD

 * 1) Jinsei Wahaha! (Music Video)
 * 2) Jinsei Wahaha! (Making Video)

Limited Edition B DVD

 * 1) Jinsei Wahaha! (Music Video)
 * 2) Jinsei Wahaha! (Live Video) (2012.11.22@shibuya O-EAST)