Jewels 4th Ring
Jewels 4th Ring was a mixed martial arts (MMA) event hosted by promotion Jewels. The event took place on at Shin-Kiba 1st Ring in Koto, Tokyo, Japan.<ref name="JEWELS 4 - 07/11/2009: Megumi Fujii is Now 18-0! - Full Results"></ref> Background. On , Jewels held a press conference in which president Yuichi Ozono announced the bout between Megumi Fujii and Saori Ishioka for the show to be held at Shin-Kiba 1st Ring on , in a match that would allow ground and pound with three five-minute rounds, the first match with full MMA rules held in Jewels.<ref  name="JEWELS - 07/11/2009 – Mega Megumi, Looking For A Real Fight"></ref><ref name="7/11 JEWELS 4th Ring - Megumi Fuji Fighting"></ref> Hitomi Akano was added to the card later on, along with three other matches<ref name="JEWELS - 07/11/2009: Hitomi Akano Taking on Miki Fujimori"></ref><ref name="7/11 Jewels 4th Ring - Fight Updates"></ref> and a few days after that, two more matches were added.<ref name="JEWELS 4 - 07/11/2009: Two More Cards Added"></ref> The show attracted enough attention that tickets were sold out almost a week before the event.<ref name="JEWELS - 07/11/2009: Tickets Sold Out!"></ref><ref name="7/11 Jewels 4th Ring - Sold Out!"></ref> The final order of the  card was announced three days before the event.<ref name="7/11 Jewels 4th Ring - Fight Order/New T-Shirts"></ref> The event was kickboxer Rena Kubota's debut with Jewels in a shoot boxing match.