Light of a Firefly

by Ikimono-gakari is the fifth opening sequence for Naruto Shippūden. It began with episode 103.

Lyrics
SHA LA LA itsuka kitto Boku wa te ni suru n’ da Hakanaki mune ni sotto Hikari moete yuke

Aitaku naru no shoudou Nakitaku naru no junjou Natsu no hi ni tobikonda Hotaru wa kaeranai

Anata wa nani mo iwazu kuchizuke wo nokoshite Kizutsuku mama unazuita ne Kanashii hodo inochi yurameiteita

SHA LA LA itsuka kitto Boku wa te ni suru n’ da Hakanaki mune ni sotto Hikari moete yuke

SHA LA LA itoshiki hito Anata mo miete iru no Mabayui tsuki ga sotto Ashita wo terashite Tsuyoku tsuyoku kagayaite

Trivia

 * This is the second opening made by Ikimono-gakari, the first being Blue Bird.