So I’m gonna list when did each of my artists debut starting with earliest to most recent (if they have disbanded, I’ll to the enddate too) J-POP ONLY!!! so no Korean or other countries beforehand xD
1986
- BUCK-TICK – October
1988
- ALI PROJECT – January
1989
- Megumi Hayashibara – May
1991
- Chara – September
1992
- access – November
1993
- Kaori Mochida – November
1994
- hitomi – November
1995
- TWO-MIX – April
- MAX – May
- T.M.Revolution – May
- Ayumi Hamasaki – September
- BONNIE PINK – September
- Namie Amuro – October
- Nanase Aikawa – November
1996
- Maaya Sakamoto – April
- PUFFY – May
- ICEMAN – July
- Plastic Tree – September
1997
- DIR EN GREY – February
- m.o.v.e – October
- Morning Musume – November
1998
- MISIA – February
- KOKIA – April
- Ami Suzuki – July
- Masami Okui – August
- Utada Hikaru – December
1999
- OLIVIA – February
- POLYSICS – February
- Eri Takenaka – April
- Gackt – May
- Chiaki Ishikawa – June
- Crystal Kay – July
- Hitomi Shimatani – July
- metronome – July
- MAXIMUM THE HORMONE – August
- Do As Infinity – September
- Porno Graffitti – September
- Mai Kuraki – October
- Onmyo-za – December
2000
- Angela Aki – January
- dream – January
- Mao Denda – January
- Chihiro Onitsuka – February
- Rina Aiuchi – March (2000-2011)
- Momoi Haruko – May
- RIZE – August
- Kana – September
- Koda Kumi – December
- KOTOKO – December
- Nana Mizuki – December
2001
- Jade Villalon – January
- capsule – March
- Maki Goto – March
- Tsukiko Amano – April
- BoA – May
- Tommy february6 – July
- FLOW – October
- Haruka Shimotsuki – October
- RURUTIA – October
- Akiko Shikata – November
- MEG – November
- Mika Nakashima – November
- Sound Horizon – November
- Eiko Shimamiya – December
- Lia – December
- Strawberry Flower – December
2002
- Mami Kawada – January
- ORANGE RANGE – February
- YUKI – February
- Perfume – March
- RENTRER EN SOI – March (2002-2008)
- Sowelu – April
- the GazettE – April
- MONKEY MAJIK – May
- Suneohair – May
- Kou Shibasaki – July
- Aya Ueto – August
- day after tomorrow – August (2002-2005)
- miyavi – October
2003
- melody. – February
- Yuka Kagiyama – March (as Minato)
- fripSide – April
- Nami Tamaki – April
- angela – May
- Aya Kamiki – May
- RADWIMPS – May
- RYTHEM – May
- D – July
- mihimaru GT – July
- Sukima Switch – July
- Tommy heavenly6 – July
- ikimono-gakari – August
- Ai Otsuka – September
- eufonius – October
- Nana Kitade – October
- NEWS – November
- Ayaka Hirahara – December
2004
- DOES – February
- Kanako Ito – February
- Berryz Koubou – March
- Rie fu – March
- SID – March
- The Candy Spooky Theater – March
- Eri Kitamura – April
- Kaela Kimura – May
- w – May (2004-2007)
- Zwei – May
- Hanako Oku – August
- JUJU – August
- Yui Sakakibara – August
- Miliyah Kato – September
- Aki Misato – November
- SNoW – November
- Tohoshinki – November
- YMCK – November
- Eri Nobuchika – December
- Minori Chihara – December
- Phantasmagoria – December (2004-2010)
- YUI – December
2005
- FLOPPY – January
- HIGH and MIGHTY COLOR – January (2005-2010)
- exist†trace – February
- lecca – February
- Daichi Miura – March
- TЁЯRA – March
- May’n – April
- sifow – April
- Ataru Nakamura – June
- Junko Akimoto – July
- UVERworld – July
- Harenchi☆Punch – August
- AAA – September
- Yuna Ito – September
- Aural Vampire – October
- chatmonchy – November
- GRANRODEO – November
- Yousei Teikoku – November (earliest known)
- Rain – December
2006
- Anna Tsuchiya – January
- Shoko Nakagawa - January
- 9nine – February
- ayaka – February
- AKB48 – February
- NICO Touches the Walls – February
- Aya Hirano – March
- DJ OZMA – March
- misono – March
- AYUSE KOZUE – April
- COLTEMONIKHA – May
- °C-ute – May
- Miho Fukuhara – May
- Kaya – June
- MELL – June
- SHANADOO – June
- moumoon – July
- ONE OK ROCK – July
- Q;indivi – July
- Asriel – August
- ERIKA – August
- LEO Imai – September
- LM.C – October
- marino – October
- pLumsonic! – November
- THE Possible – November
- abingdon boys school – December
- JYONGRI – December
2007
- Kie Kitano – January
- ON/OFF – January
- Vanilla Beans – January
- Ceui – February
- Leah Dizon – February
- Nichika – February (2007-2009)
- xTRiPx – February
- faylan – April
- School Food Punishment – April
- Nana Tanimura – May
- Sakanaction – May
- Stephanie – May
- Versailles – June
- Acid Black Cherry – July
- BREAKERZ – July
- Genki Rockets – July
- Aira Mitsuki – August
- anNina / annabel – August
- CASSIS – August
- Daisy×Daisy – August
- SuG – August
- Joe Inoue – September
- Buono! – October
- ELISA – October
- Mix Speaker’s, Inc. – October
- Seira Kagami – October
- alan – November
- immi – November
- Masami Mitsuoka – November
- Sweet Vacation – November
- Ifu Sarasa – December
- miwa – December
- Saori@destiny – December
- supercell – December
2008
- 9GOATS BLACK OUT – January
- BESPA☆KUMAMERO – January
- Kalafina – January
- JERO – February
- Kana Nishino – February
- DUSTZ – March
- Rina – March
- SCANDAL – March
- MilkyWay – April
- Kanon Wakeshima – May
- SAWA – May
- FLiP – June
- Karen Girl’s – June
- Mano Erina – June
- MiChi – June
- Super Junior – July
- VAMPS – July
- KU-TYU-BUNKAI – August
- Safarii – August
- Fudanjuku – September
- girl next door - September
- Haruka Tomatsu – September
- Hidemi Uematsu – October
- Meisa Kuroki – October
- portable – October (2008-2009)
- YAZIMA Beauty Salon – October
- cosmeticROBOT – November (2008-2010)
- Miyu Kasegi – November
- HANGRY & ANGRY – November
- Diggy-MO’ – November
- no3b – November
- ravex – November
- Shion Tsuji – November
- Stereopony – November
- Yuya Matsushita – November
- Kylee – December
- Sayuri Sugawara – December
2009
- Ayaka Ikio – January
- hinaco – January
- Minami Kizuki – January
- Nana Nishino – January
- Naoya Urata – January
- Watarirouka Hashirtai – January
- Ayumi Sakai – February
- FictionJunction – February
- DOMINO – February
- Bentley Jones – March
- Mari Yaguchi – March
- LIL – April
- SPYAIR – April
- MOSH UNDER THE SUN – April (2009-2010)
- sherry – April
- sphere – April
- Tomato n’Pine – April
- Guardians 4 – May
- HIMEKA – May
- Maria – May
- Natsuko Aso – May
- Satsuki – May
- Ai Kago – June
- JASMINE – June
- S/mileage – June
- Kazusa – July
- Piko – July
- Saihuun – July
- Yuki Suzuki – July
- Akiko Hasegawa – August
- Juliet – August
- Momoiro Clover – August
- High Speed Boyz – September
- Prague – September
- Aki Toyosaki – October
- AMWE – October
- Etsuko Yakushimaru – October
- kumi – October
- WEAVER – October
- Ayumu – November
- Dream5 – November
- Fear, and Loathing in Las Vegas – November
- ICONIQ – December
- Team Dekaris – December (2009-2010)
2010
- IMALU – January
- Maika – January
- Sayaka Sasaki – January
- Airi Takasaki – February
- CHiAKi KURiYAMA – February
- Shiritsu Ebisu Chuugaku – February
- Kyarypamyupamyu – March
- mini – March
- PASSPO☆ – March
- mochA – April
- Riisa Naka – April
- 4minute – May
- KOR=GIRL – May
- TOKYO GIRL’S STYLE – May
- XIAH junsu – May
- YuiKaori – May
- ROOKiEZ is PUNK’D – June
- Ayahi Takagaki – July
- Angelababy – August
- ARTERY VEIN – August
- ClariS – August
- KARA – August
- Girls’ Generation – September
- JUNSU / JEJUNG / YUCHUN – September
- MAA – September
- Maon Kurosaki – September
- Minako Kotobuki – September
- SDN48 – November
- NIKIIE – December
- miCKun – December
- SUPER☆GiRLS – December
- Sakura Gakuin – December
2011
- Brown Eyed Girls – January
- HIROKO – January
- 2NE1 – February
- Jin Akanishi – March
- Not yet – March
- Columbia Girls Collection – April
- Dream Morning Musume – April
- LiSA – April
- 2PM – May
- Aimer – May
- DiVA – May
- Marina Kawano – May
- You Kikkawa – May
- HYNA – June
- Sayaka Kitahara – June
- Larval Stage Planning – July
- AFTERSCHOOL – August
- RO-KYU-BU! – August
- Fairies – September
- RAINBOW – September
- YELLOW FRIED CHICKENz – September
- Chiaki Takahashi – October
- FLOWER – October
- ALTIMA – December
- IU – December
- U-KISS – December
2012
- Leo Ieiri – February
- Mayu Watanabe – February
- SHOW – February
- StylipS – February
- yanaginagi – February
- Yukino – February
- BABYMETAL – March
- Up Up Girls – March
- Konomi Suzuki – April
- Kavka Shishido – May
- MYNAME – July
- Rola – July
- AMOYAMO – August
- Model Girls – October
- panache! – October
- Weather Girls – October
- i☆Ris – November
- Takuma Terashima – November
- Yun*Chi – November
- Yurika – November
Look at this big list….you know I’m gonna keep with this list as i continue to add more people xD
