Hirai Ken Lyrics (alphabetical)
~ affair
~ aitai yo
~ aoi tori
~ aozora
~ Bye my melody
~ Canvas
~ Catch Ball
~ The Changing Same 
~kawari yuku kawaranai mono~
~ doshaburi
~ Elegy
~ even if (ENG)
~ ex-girlfriend
~ the flower is you
~ futari no meiro
~ Grandfather's Clock (English version)
~ Come Back
~ EASY
~ egao
~ Elegy
~ fake star
~ Gaining Through Losing
~ Green Christmas (ENG)
~ hanabira
~ hitomi wo tojite
~ hug
~ I'm so drunk
~ Itsuka Hanareru Hi ga Kitemo
~ iwanai kankei
~ Jealousy
~ kagiana
~ kanashii no wa kimi dake ja nai
~ katahou zutsu no earphone
~ kimi ga boku ni hyoui shita!!
~ kimi ga wakaranai
~ Kimi no Suki na Toko
~ Kimi wa Su.te.ki
~ kimi wa tomodachi (ENG)
~ Kiss
~ KISS OF LIFE
~ K.O.L
~ kusare'en
~ LADYNAPPER
~ L'Amant
~ LIFE is...
~ Love Love Love
~ LOVE OR LUST (ENG)
~ Mabataki
~ Memories
~ Merry-go-round highway
~ Miracles
~ Missin' you ~It will break my heart~
~ naite waratte
~ naze darou
~ Negative
~ Nostalgia
~ omoide ga kasanaru sono mae ni...
~ ookina furudokei
~ Pain
~ Paul (ENG)
~ POP STAR
~ Precious Junk
~ rakuen
~ REVOLVER
~ Ring
~ seishun days
~ sekai de ichiban kimi ga suki? (ENG)
~ sentimental
~ Shashin
~ She is!
~ Signal
~ somebody's girl
~ Stage
~ STAR
~ Stay With Me
~ Strawberry SEX
~ Style
~ Sweet Pillow
~ TABOO (ENG)
~ Tameiki Kippu
~ TUG OF WAR
~ Twenty! Twenty! Twenty!
~ Unfit In Love
~ UPSET
~ Utsukushii Hito
~ White ~boku ni aitai~
~ why
~ wonderful world
~ World's End (ENG)
~ yaburitai
~ yokogao
~ yubikiri