Circle List Which Start with [O]
- orgaworks
- ORGONE BOX
- Ori (おり)
- ori (Circle)
- Ori-En
- Ori. (滓。)
- orianne
- oribbon
- oribe4
- orichalcum , リンゴQ
- ORiCo壱番館
- oriental hybrid
- Oriental Lattice
- Orifice
- orifice
- ORIFLAMME
- ORIGA
- ORIGA+nemumi
- ORIGA/nemumi
- origami
- ORIGAMI Entertainment
- Origin Zero
- ORIGIN ZERO
- ORIGINAL PRANKSTER
- original reality
- OriginZero
- ORIGO RECORD
- Oriha (オリハ)
- ORIHALCON
- ORION
- orion
- orionshop
- oriori
- OriverMusic
- oriz:zonte
- Orleans (おるれあんず)
- Orlha
- Orloj
- ormulv
- ORNAMENT
- oro
- ORO
- OROCA
- oroca
- Oronamin D (おろなみん でぃ)
- oroナイン
- ORPHE
- ORPHEE
- Orpheus
- ORR
- Orrizonte
- orsetto girl
- Ort+
- Orta
- Ortho-Para
- ORTO
- orurururun
- ORZ
- orz
- orz(仮)
- orz0
- orzo
- Orzo.
- Orzコミュショーズ
- OS
- Os lacrimale
- osa Scale color
- osa104
- OSAKA Loop Line (大阪環状線)
- Osakana Tabeyo (おさかなたべよ)
- osakana.
- osakana.factory
- osakana.factory
- OSAKE
- osamu
- Osanpo Saibou (おさんぽ細胞)
- OSARU no Kai (OSARUの会)
- Osarusan Panic (おさるさんパニック)
- osashimi
- OSASHIMI
- osashimi23yasai
- osasimitengoku
- osatou
- osatou/人工星空
- OSECHIMARU
- OSEROT
- Oshaberi Basha (おしゃべり馬車)
- OSHAREMOAI
- OshiAiheshiAidotsukiAi (おし愛へし愛どつき愛)
- OSHIIRE wonderland
- Oshinko Set (御新香set)
- OSHINOBEE
- Oshinobee (オシノビー)
- oshinomisao
- OSHIOSHIO
- Osho-you
- Oshushinohi
- osiri
- osirozatta
- osmanthus
- osmnyeee
- osoba (おそば)
- osoi
- Osomatsu Na Kioku (お粗末な記憶)
- osomatumint10
- osoobaaaaa
- Osora Ku (おそら区)
- osoushiki
- OsP
- OSR TAXI
- OSS.
- oss.
- ossan
- OSSAN125
- ost
- OST
- Ost!
- OSTASTE
- osteon
- ostinato
- OSTRICH
- Ostwald system
- Osumin
- Osushi
- OSUSHI
- osushi
- Osushi Daisuki Ojisan (お寿司大好きおじいさん)
- OSUSHI-RICE (おすしらいす)
- Osushi/刺傷
- Osushidaisuki
- Osushinohi
- osushinokuni
- osuzu
- OSUZU
- OSYA
- Osyonsyo! (オションショ!)
- OS湖
- OS特区
- OT-online
- Ot.138
- OTA
- Otabe Dynamite (おたべ★ダイナマイツ)
- OTAD
- OTAKKU25
- OTAKU YAKUZA COLONY
- OTAKU-ELITE Recordings
- otamagoya
- otanao
- OTAUT-R (おたうT-R)
- Otawamure GO!GO! (お戯れGO!GO!)
- OTE!
- OTEAGE
- oteage
- otemoto
- OTEMOTO
- Otenki Onii-san (お天気お兄さん)
- Otentomaru (オテント丸)
- otesho
- otetsu
- OthellO
- othello
- OTHER
- otheroutes
- OTHERS
- Others Works
- Others Worlds
- OtherSide
- OTIHA
- OTIKA (Circle)
- otimoti
- OTIMPONS
- otinpop
- OTK9s
- OTL
- otmz
- OTM企画
- OTNK
- OTNPfestival
- OtoA+
- otoba
- otobox
- otochilu Cafe
- OTOFU
- otofu-nintama
- otogi
- OTOGI
- otoginoura
- Otogizoushi-dou (御伽草子堂)
- OTOHA shop
- otohのショップ
- OTOKITA
- otoko
- otokonokoonnanoko
- otokuni
- Otome Cider (オトメサイダー)
- OTOMEKAN (音召缶)
- OTOMEKIBUN (乙女気分)
- Otomeza Ryuuseigun (乙女座流星群)
- otomi (Circle)
- OTONA PARALLEL
- Otona Yuuenchi (大人遊園地)
- otonari
- OTONARISAN
- OTONAYUENCHI(大人遊園地)
- Otosan no Kurorekishi (Father's Black History) (お父さんの黒歴史)
- otoshi.beat sounds
- Otosimon
- OTOSIS
- OTOTOYBOX
- OTSUKIMI CAPSULE
- OTSUMAMI
- Otter
- OTTIMISMO
- otto
- OTTO
- Otto
- Otukare! (オツカレ!)
- otukarering
- otutomoyu-1
- otwmr
- otya
- Otya Otya Honpo (おちゃおちゃ本舗)
- OTZ
- oube
- Oublie
- Oubyou family
- Ouch!
- Ouchi (桜痴)
- oudon
- Ougon Nostalgia (黄金ノスタルジー)
- oui oui
- Oui Oui
- OuiOui
- Ouji to hime
- Oumiya (おうみや)
- ounira
- OUO
- Our destination
- our happiness
- Our Happiness
- ourG
- OurLastDay (Circle)
- Ousama no Mimi (王様の耳)
- ousamanomimi
- Ouson (凹村)
- Oust-b
- Oust‐b
- Out
- OUT
- OUT BOY
- Out of Blue
- OUT OF FUEL
- OUT of SERVICE
- Out Of Sonic
- OUT SIDE
- OUT!
- Out! (アウト!)
- OUT'RO
- Out-Sider
- out-Soris
- outa
- OUTBURST
- outcount(アウトカウント)
- OUTER LINKAGE
- Outermuscle
- outernet
- outerspace
- OUTFLOW
- Outline
- OutLine
- OUTLINE
- OUTLOW
- OutOfMemory
- OUTORO
- OutOutOut
- output
- OUTRAGE
- OUTRAGE?
- OUTRO
- OUTRO/OSSAN
- OUTSIDER
- Outsider
- outsider
- Outsider1019.
- OUTxLINE
- OUT!
- Ouun (桜雲)
- OVACANCES
- OVAL
- OveR
- over
- Over
- OVER 9999
- Over Action!!
- Over Dope
- OVER DOSE
- Over Drive (オーバードライヴ)
- OVER DRIVE
- Over EAU Ball
- OVER FORCES
- Over Forte
- OVER HEAT!
- OVER HEAT!/MOON WATER
- OVER HEAT!
- OVER HxI
- OVER LAP
- OVER LIMIT
- Over Limit
- OVER LINE
- OVER NETWORK unit-K
- OVER RUNNER
- over sieep
- over sleep
- Over the Blue
- Over The Coffee
- OVER THE MOON
- Over the moon
- over the moon
- OVER*WRITE
- Over3
- Over:delta (Over:Δ)
- Over:△
- OVERALL
- OVERALL/no reply
- overcat
- OVERCAT
- overdose
- OVERDOSE
- OVERDRIVE
- overflow
- overjoyed
- OVERKILL
- Overkill (オーバーキル)
- overlap
- OVERLAP
- OverLap
- overLove
- OVERPLUS
- OVERRUN/BQグルメ
- overrunner
- oversleep
- Overslept*
- OverSugarTaffy
- overtone
- overTuner
- overwork
- OverΔ
- Over:Δ
- OVIS
- Ovis
- ovnigrove
- ovo
- owan
- Owarai Sentai CLAMP (お笑い戦隊CLAMP)
- owari
- owarinagoyan
- Owataセイバー
- Owen
- owl
- OWL (Circle)
- OWL HOUSE
- owl on Sept.
- OWL TOWN
- owl./CHANAL/スイソスイ
- OWL_ACE
- owlmegumi
- owlowl
- owl*tree
- OWOW
- ows&san
- Ox
- OX-project
- oxco
- OXIDATION
- oxide
- oxide.
- OXKOBO
- OXOX
- oxy maniax
- OXY-GEN
- Oxycyte
- oxygen
- Oxygen
- OXY‐GEN
- OXY−GEN
- OXサービスエリア
- Oyaji (おやじ)
- Oyaji Hinketsu (おやじひんけつ)
- OYAKI
- oyam
- oyanokaogamitai
- OYAPPY!
- oyasai
- OYASAI
- OYASUMI
- oyasumi
- oyasumiyo
- Oyasyoku Curry
- Oyayubi (親指)
- OYOGU SAKANA
- OYOYO
- oyoyo
- OYOYO(およよ)
- oyoyo(およよ)
- OysterBar
- oyu (Circle)
- oyu0112
- oz
- OZ
- OZ+
- oz-net
- OZ.
- OZ/ゆきはな社
- OZEXE
- ozio
- OZMA
- OZMA/ZERO
- OZnation Records
- OZO
- OZON
- OZON DANCE
- ozone
- OZONE (おぞね(MakotoUno))
- Ozone (オゾン)
- OZONE.
- ozone:sd
- OZONO
- OZONO通販部
- OZON∞
- OZOZ
- OZZY
- OZ☆N!
- OZ.
- O‐N
- O‐Pants!
- O‐TURBO
- O’d la cell
- O’Hara
- O’S
- Oはひとり
- oは欠けている
- O・A・D
- O・MIT
- O・mit
- O・three
- O型乙女座の相互依存
- O型同盟
- O山出版
- O沢商店
- O.D.D