① Be Happy 2001 GIZA studio GZCA-1057 Japanese release Includes sticker and questionnaire postcard ② POWER OF WORDS 2002 GIZA studio GZCA- Japanese release Includes questionnaire postcard ③ A.I.R 2003 GZCA-5036 Japanese release First press edition, logo sticker (website password) Includes questionnaire postcard ④ DELIGHT 2006 GZCA-5079 Japanese release Includes obi strip and questionnaire postcard This is a set of 4 CDs. Due to character limit, not all songs are listed. ① Tracklist 1 be happy? 2 Close To Your Heart 3 Koi wa Thrill, Shock, Suspense (Love is Thrill, Shock, Suspense) 4 snow drop ・ 10 Dear... From... 11 be happy. ② Tracklist 1 POWER OF WORDS 2 I can't stop my love for you♥ 3 NAVY BLUE 4 Forever You ~Eien ni Kimi to~ (Forever You ~With You Forever~) ・ 9 FAITH 10 SPARK 11 crystal pearl 12 precious pain 13 Run up 14 Can you feel the POWER OF WORDS? ③ Tracklist 1 ∞ INFINITY 2 FULL JUMP 3 Kuuki -Album version (Air -Album version) 4 Sincerely Yours ・ 9 double hearted 10 our sound 11 CODE CRUSH 12 profuse love 13 Fortune 14 ra Happy Luppy ④ Tracklist 1 DELIGHT 2 GLORIOUS 3 PRECIOUS PLACE 4 Believe your Bravery ・ 9 shirushi (mark/sign) 10 WE♥SUMMER 11 Morning Yell 12 ORANGE★NIGHT -La La La Lovin' you Mix 13 SET YOU FREE 14 I'll be delighted That's all