This is the thirteenth gaiden of the Kengan Ashura manga.
This gaiden occurs concurrently with Chapter 43 and Chapter 46. Kaburagi and Hassad watch the tournament from somewhere on Ganryu Island. After the close of the Adam Dudley-Imai Cosmo fight, Matsuda has erotic thoughts about Cosmo and his employer Nishihonji Akira. Meanwhile, Kaede and Kazuo have a surprise for Ohma.
- Nanbu Ryuta appears in the gaiden, at the Kengan Dome buying snacks from a vendor.