Groups
- orangemaru (371)
- otomekibun (216)
- otonano do-wa (173)
- otaku beam (166)
- oving (160)
- ohkura bekkan (150)
- oneekyou (147)
- ohoshisamadou (134)
- otabe dynamites (130)
- oretachi misnon ikka (126)
- oneone1 (126)
- otukimi koubo (125)
- omodume (123)
- okosama lunch (115)
- oshiruko kan (113)
- ohtado (112)
- ororiya enpitsudo (110)
- odenden (110)
- odin (101)
- okina keikaku (100)
- oboro and tempo gensui dou (94)
- othello ice (92)
- owakari itadaketa darou ka (88)
- onna ni yoru onna e no ryoujoku (88)
- ochikonium (87)
- okina flying factory (80)
- old school academy (78)
- okachimentaiko (75)
- overdose (74)
- ovacas (74)
- otokonoko de asobou (73)
- ozashiki (72)
- ofuton de suyaa (71)
- okina flying factory | off (69)
- onegross (69)
- otonano omochiya (67)
- onsoku ubaguruma (63)
- otona shuppan (63)
- oremuha x (62)
- oshaban (61)
- oni kizoku (59)
- okadatei (59)
- orange peels (59)
- okashi tai (58)
- okinawa taieki gunjinkai (58)
- ohsaka spirits (55)
- once only (55)
- otokonoko to onnanoko (54)
- oozora kaiko (53)
- otogiya (53)
- omoshiro burger (53)
- okayushop (53)
- opaque (51)
- otogi no kuni no soapland (49)
- odaku (47)
- ochaocha honpo (46)
- obsession. (46)
- otokojuku (46)
- out of sight (46)
- oroboy (45)
- oricomplex (45)
- omega 2-d (45)
- onna kishi no shiro (44)
- o-mars (43)
- orange channel (42)
- orz (42)
- o.n art works (42)
- okina utsuwa (39)
- obsidian order (39)
- onsoku ebifly (39)
- oasis plus (39)
- otoreko (38)
- oxide.lab (36)
- ootsuku shouji (35)
- okamoto gahaku (34)
- osova (34)
- oh my gosh (33)
- ochikochitei (33)
- one-seven (33)
- ogon shinshi club (32)
- orange-soft (32)
- osenbei no mori (31)
- ore no sasakure (30)
- okuchi no okuchi (30)
- o.s (30)
- oiwaidou (30)
- okatoraya (30)
- on-show (30)
- ochigan (29)
- otaku no youjinbou (29)
- obumanjuu (29)
- osaru no noumiso (29)
- otajai (29)
- otosan no kurorekishi (28)
- ojopie sentimental (27)
- okushima izumo (26)
- ohanabatake (26)
- oojikake (26)
- ozone (26)
- oldwiseman (26)
- os tokku (25)
- oden-ya (25)
- otafukutei (25)
- oojinushi (25)
- okottei (24)
- onomatopoeia (24)
- oden sensei (23)
- oracle eggs (23)
- otoko no saimin fetiya-san (22)
- ozitan yasan (22)
- oppai baibai (22)
- ocarina (22)
- omocha kaden (22)
- omochi bazooka (21)
- o157 (21)
- osouzaiya (20)
- ondo (20)
- okami kaikou (20)
- one or eight (20)
- old weapon (20)
