| Song |
OYE COMO VA |
| Person |
Makoto Oishi |
| Hall |
Oiso |
| Prefecture |
Oita |
| Hall |
Oita KENRITSU SOUGOU BUNKA Center |
| Hall |
Oita BUNKA KAIKAN |
| Person |
Gen Ogimi |
| Person |
Nobutaka Okubo |
| Person |
Yoichi Okura |
| Prefecture |
Osaka |
| Hall |
Osaka IMP Hall |
| Hall |
Osaka AJIKAWA |
| Hall |
Osaka Medical college |
| Concert,Hall |
Osaka KOSEI NENKIN KAIKAN |
| Hall |
Osaka-Jo Hall |
| Hall |
Osaka Mielparque |
| Person |
Noriaki Osawa |
| Activity,Company |
Otsuka Pharmaceutical Company |
| Activity |
She received the Grand Prix at `The first Pocarisweat image girl contest' by Otsuka Pharmaceutical Company |
| Hall |
Otsuma Women's University Junior College Division |
| Hall |
Omiya Sonic City |
| Person |
Katsumi Ohmura |
| Person |
Eiji Ogata |
| Person |
Masashige Ogata |
| Person |
Youichi Okabe |
| Person |
Okamoto OK Sadayoshi |
| Prefecture |
Okayama |
| Hall |
Okayama Civic Hall |
| Hall |
Okayama Shoka University |
| Person |
Ginji Ogawa |
| Prefecture |
Okinawa |
| Hall |
Okinawa SHIMIN KAIKAN |
| Person |
Kaori Okui |
| Person |
Akira Okumura |
| Person |
OJISAN! |
| Song |
{OSHARE-FU} |
| Song |
Les Champs-Elysees |
| Activity |
An animation program {OCHAME-NA FUTAGO KUREA GAKUIN MONOGATARI}: [Mischievous Twins: The Tales of St. Clare's] |
| Song |
OtisRedding {NI KANPAI}: [Cheers OtisRedding] |
| Song |
{OTOKO-NARA}: [Man up] |
| Song |
{OTOKO-NO ROMAN}: [Man's spirit of romantic adventure.] |
| Song |
{ONI-TAIJI}: [Ogre extermination] |
| Song |
{OBASAN}: [My Aunt] |
| Single,Song |
OVERHEAT. NIGHT |
| Song,Video |
OVERHEAT. NIGHT |
| Concert |
"OVERHEAT. NIGHT", "GET SMILE" |
| Song |
{Office GAI-NO KOI}: [Love in business district] |
| Book |
Opera |
| Song |
{OMOSHIROI} [Moritaka Connection]: [Fascinating [Moritaka Connection]] |
| Hall |
ORIX THEATER |
| Instrumental |
All Instruments |
| Instrumental |
All Instruments (except Drums) |
| Instrumental |
Organ |