Well, young Rena didn't get a chance to avenge her K-1 loss to Su Jeong Lim (who dropped her opening round bout to "V Hajime") but the Caesar Takeshi-trained phenom did score a pair of unanimous decisions and a late stoppage of JEWELS star Saori Ishioka in order to take home the first ever Girls S-Cup title in decisive fashion.

Elsewhere on the card, Hiroko destroyed the much smaller "Benkei" Aoki with knees from the clinch en route to a first-round TKO; prized JEWELS prospect Shizuka Sugiyama stayed undefeated with a win over Shoot Boxer Hitomi Sakamoto in the evening's only MMA fight; and there was no winner in the mixed exhibition bout (one round MMA, one round SB rules) between Megumi Fujii and the returning Hisae Watanabe.

Full results below; photo via Kamipro.

Shoot Boxing - Girls S-Cup 2009
August 23, 2009
Shinagawa Stellar Ball
Shinagawa, Tokyo, Japan

#1 - Girls S-Cup 2009 - Opening Round - 3R x 2 min. (+ 1 Ext.)
Rena def. Masako Yoshida via Unanimous Decision (3-0; 30-27 x 3)

#2 - Girls S-Cup 2009 - Opening Round - 3R x 2 min. (+ 1 Ext.)
Saori Ishioka def. Ai Takahashi via Unanimous Decision (3-0; 30-25 x 3)

#3 - Girls S-Cup 2009 - Opening Round - 3R x 2 min. (+ 1 Ext.)
Madoka Okada def. Misato Tomita via KO (Punches) at 0:25 of Round 2

#4 - Girls S-Cup 2009 - Opening Round - 3R x 2 min. (+ 1 Ext.)
"V Hajime" Yamaguchi def. Su Jeong Lim via Unanimous Decision (3-0; 28-27, 30-28, 30-28)

#5 - Girls S-Cup 2009 - Reserve Match - 3R x 2 min. (+ 1 Ext.)
Keiko Onuma def. Erika Nishida via Split Decision (2-1; 10-9, 9-10, 10-9) in Ext. Round

#6 - EX Mixed Rule Exhibition Match - 2R x 2 min.
Megumi Fujii vs. Hisae Watanabe - no winner; exhibition only

#7 - Girls S-Cup 2009 - Semifinal #1 - 3R x 2 min. (+1 Ext.)
Rena def. Saori Ishioka via TKO (Corner Stoppage) at 0:20 of Round 3

#8 - Girls S-Cup 2009 - Semifinal #2 - 3R x 2 min. (+1 Ext.)
"V Hajime" Yamaguchi def. Madoka Okada via Unanimous Decision (3-0; 30-24, 29-24, 28-24)

#9 - JEWELS Match - 57kg (125 lbs.) - 2R x 5 min.
Shizuka Sugiyama (5-0) def. Hitomi Sakamoto (0-3) via Unanimous Decision (3-0)

#10 - Shoot Boxing Match - Heavyweight - 3R x 2 min. (+ 2 Ext.)
Yuko "Hiroko" Yamanaka def. Mayumi "Benkei" Aoki via TKO (Knees and Punches) in Round 1

#11 - Girls S-Cup 2009 - Final Match - 3R x 2 min. (+ 2 Ext.)
Rena def. "V Hajime" Yamaguchi via Unanimous Decision (3-0; 30-28, 30-29, 30-29)