If there are any Twitters missing from this list, please let me know!
AYU, FAMILY, & MAJOR STAFF
Ayu -
http://twitter.com/ayu_19980408
Mika 'Mikajohn' Noguchi (her "mama") -
http://twitter.com/mikajohn
Hidetomo 'Kome' Yoneda (her audio director) -
http://twitter.com/rice20000
Koji Morimoto (one of her main mixers) -
http://twitter.com/koji_morimoto
max matsuura -
http://twitter.com/masatomatsuura
Mr. Kaz (former? head of TeamAyu) -
http://twitter.com/mrkaz0704
Mannie Schwarz (Ayu's ex-husband) -
http://twitter.com/Mannie69
Stanley 'Izumi' Kim (Ayu's friend and location scout) -
http://twitter.com/sikepro
Mariko Hamasaki (Ayu's mom) -
http://twitter.com/hanabistaff
Natsuki (Ayu's best friend) -
http://twitter.com/Natsukikey
Sou Nagashima (Ayu's trainer) -
http://twitter.com/sou_02
Jun Kamitoku (Ayu's manager) -
http://twitter.com/matsutakeboy
Ryohei Chiba (CSO of avex) -
http://twitter.com/MAZINGER_DRAGON
Endo "Jackie" Hideki (a CEO of avex?)
http://twitter.com/GUTS_RUSH
Takashi (another manager of Ayu's) -
http://twitter.com/COCOTAKASHI
Shingo 'Minazou' Sano (Ayu's ex-nailist and ex-manager) -
http://twitter.com/mina_zo_mina_zo
Naoya Urata (Ayu's 'brother' / AAA member) -
http://twitter.com/UN1982
Keita Maruyama (designer of Kouhaku 2011/2012 outfits) -
http://twitter.com/keitamaruyama
AYU'S DANCERS
AKI-chan -
http://twitter.com/yoneaki1019
KAZUMA -
http://twitter.com/kazumahamamoto
GO-MI -
http://twitter.com/go_mi_sweetback
2-YAN -
http://twitter.com/22yan22
SUBARU -
http://twitter.com/sodeepsubaru
MARO -
http://twitter.com/ma_ro_ka
ZIN -
http://twitter.com/ZIN19791126
SHU-YA -
http://twitter.com/SHUYA_Mizuno
SATORU -
http://twitter.com/satoru_desu
SYU -
http://twitter.com/syu_33
KO -
http://twitter.com/Benjamin_OHBOY
KATSUYUKI -
http://twitter.com/katsuyukikasuga
CHISA -
http://twitter.com/chisanse
KAYANOCCHI -
http://twitter.com/kayano44
TOMOKI -
http://twitter.com/tomokifujita
AYU'S MUSIC STAFF
CMJK (arranger and composer) -
http://twitter.com/principalcmjk
Yuta Nakano (arranger and composer) -
http://twitter.com/soundtrucker
Kazuhito Kikuchi (arranger and composer) -
http://twitter.com/kazuhitokikuchi
Tetsuya Komuro (arranger and composer) -
http://twitter.com/Tetsuya_Komuro
KIKU (guitarist) -
http://twitter.com/KIKU69camino
tasuku (arranger and composer) -
http://twitter.com/tasuku_tohyama
Miwako 'PECO' Hamada (ex-chorus) -
http://twitter.com/peco10221208
Kaoru Abe (keyboardist) -
http://twitter.com/Kaoru_Abe
Enrique (bassist) -
http://twitter.com/RIQUEENISM
Tom Tamada (drummer) -
http://twitter.com/TomTamada
Shingo Kobayashi (keyboardist and music director) -
http://twitter.com/shintacos2
Yusuke Miyazaki (keyboardist) -
http://twitter.com/FenderRhodes73
Yasuhiko Hoshino (composer) -
http://twitter.com/magic_bus_
Akimitsu Homma (classical arranger) -
http://twitter.com/akimitsuhomma
Kunio Tago (composer) -
http://twitter.com/TAGOOOOO
Keiji Tanabe (composer) -
http://twitter.com/KG_Tanabe
Manaho Mori (vocal coach) -
http://twitter.com/mmanaho
Masahiro Muta (former drummer) -
http://twitter.com/muta_masahiro
Tim Wellard (backup vocals and composer) -
http://twitter.com/timwellard
Miccie (backup vocals, manager, and Ayu's cousin) -
http://twitter.com/miccie0730
Yumi Kawamura (backup vocals) -
http://twitter.com/YumiKawamura
AYU'S VISUAL STAFF (videos, photos, etc.)
Masashi Muto (PV director) -
http://twitter.com/MasashiMuto
Luis 'Ishii' Hernandez (PV director and location scout) -
http://twitter.com/ishiiluis
Kiyoshi 'Mizumo' Utsumi (General video director for all videos) -
http://twitter.com/Mizumo_u
Leslie Kee (photographer) -
http://twitter.com/lesliekeesuper
Masaru "Tacky & Ricky" Takigami (concert video director) -
http://twitter.com/golf___baka
Keita Haginiwa (photographer) -
http://twitter.com/leica9haginiwa