Groups
- orangemaru (270)
- otomekibun (165)
- otonano do-wa (159)
- otaku beam (155)
- ohkura bekkan (136)
- otabe dynamites (124)
- oneekyou (112)
- omodume (109)
- oretachi misnon ikka (108)
- ohoshisamadou (106)
- oving (104)
- odin (99)
- oshiruko kan (98)
- otukimi koubo (97)
- ororiya enpitsudo (95)
- okosama lunch (93)
- oneone1 (93)
- ohtado (91)
- okina keikaku (84)
- odenden (83)
- othello ice (81)
- okachimentaiko (74)
- okina flying factory (73)
- ovacas (73)
- ochikonium (71)
- ozashiki (71)
- oboro and tempo gensui dou (68)
- onna ni yoru onna e no ryoujoku (64)
- overdose (62)
- oremuha x (62)
- otona shuppan (61)
- orange peels (58)
- okinawa taieki gunjinkai (57)
- otokonoko to onnanoko (54)
- once only (54)
- ohsaka spirits (53)
- otogiya (52)
- okadatei (52)
- onsoku ubaguruma (51)
- ofuton de suyaa (50)
- onegross (50)
- oshaban (49)
- okina flying factory | off (47)
- out of sight (46)
- opaque (46)
- otokojuku (45)
- otogi no kuni no soapland (45)
- otonano omochiya (44)
- old school academy (44)
- oricomplex (43)
- orange channel (42)
- orz (40)
- omega 2-d (40)
- okashi tai (39)
- okina utsuwa (39)
- oasis plus (39)
- ochaocha honpo (38)
- okayushop (38)
- oozora kaiko (37)
- onsoku ebifly (37)
- o-mars (37)
- omoshiro burger (36)
- otokonoko de asobou (34)
- obsession. (34)
- obsidian order (34)
- ootsuku shouji (33)
- o.n art works (33)
- one-seven (33)
- orange-soft (32)
- ochikochitei (30)
- okatoraya (30)
- o.s (29)
- oiwaidou (29)
- onna kishi no shiro (28)
- obumanjuu (28)
- otoreko (27)
- ochigan (27)
- owakari itadaketa darou ka (26)
- odaku (26)
- on-show (26)
- oden-ya (25)
- otafukutei (25)
- ozone (25)
- otajai (25)
- otosan no kurorekishi (23)
- oxide.lab (23)
- oldwiseman (23)
- oracle eggs (23)
- ocarina (22)
- onomatopoeia (22)
- os tokku (21)
- osaru no noumiso (21)
- ondo (20)
- omochi bazooka (20)
- old weapon (20)
- omocha kaden (19)
- otaku no youjinbou (19)
- otentomaru (19)
- osova (19)
- otona star (18)
- oden sensei (17)
- oishii oniku. (17)
- oideyasu honpo (17)
- office neko (17)
- oregun (17)
- oreichigo (17)
- orenjiru (17)
- osenbei no mori (16)
- omochi (16)
- ogawa jinguu (16)
- okottei (15)
- orange powder (15)
- ogeretsu-dan (15)
- oni kizoku (14)
- ohanabatake (14)
- osushi-rice (14)
- onemu hormone (14)
- onnanoko himitsu seisan koujou (14)
- on your mark (14)
- open book (14)