Opening Credits:
"No pains, no gain" by Malice Mizer

Waking Up:
"Just A Feeling (New Generation Remix)" by S.E.S.

Falling in Love:
"Can You Feel The Love tonight?" by Joseph Williams Et Al (The Lion King)

Fight scene:
"Yes! All my family" by ℃-ute (Suzuki Airi)

Breaking up:
"Happy☆Happy Sunday!" by Tsukishima Kirari starring Kusumi Koharu (morning musume.)

Getting back together:
"Speed King" by Rip Slyme

Secret Love:
"Feel My Soul" by Prince of Tennis (Fuji Syuusuke)

Life's okay:
"Amazing Kiss" by BoA

Mental breakdown:
"MY HEART DRAWS A DREAM" by L'Arc~en~Ciel

Driving:
"Take me far away" by Ohno Satoshi (Arashi)

Flashback:
"Ho! summer" by Tackey & Tsubasa

Partying:
"Trashing the Camp" by Phil Collins (Tarzan)

Happy dance:
"The Cave of Wonders" by Aladdin Original Soundtrack

Regretting:
"Te Agero" (Lift your hands) by Arashi

Long night alone:
"Yo Ho (A Pirate's Life For Me)" by The Jonas Brothers

Death scene:
"Proud of My Loneliness" by Saiyuki

Ending credits:
"Aishiteru aishiteru" (I love you I Love you) by ℃-ute (Nakajima Saki & Arihara Kanna)