Use the following pairs of characters to reach a bonus match after defeating Jyazu. Hayate and Eagle; Kage Shishioh and Gozu; Gordon and Rosa; Kage Shishioh and Mezu.
Fight as Jyazu and Shin Shishioh
Highlight Mezu at the team selection screen. Highlight the following characters in order: Mezu, Kim, Rosa, Gozu. From Gozu, circle the character selection screen once by highlighting the following characters in order: Rosa, Kim, Mezu, Gordon, Joker, Eagle, Hayate, Chung, Kage Shishioh, Gozu. Press D. Jyazu will laugh to confirm correct code entry. Jyazu will be selectable above Gozu. Shin Shishioh will be selectable above Kage Shishioh. Note: Activating this code will disable memory card saves, high score names, story mode ending, and tag partners.
Shirtless Rosa
Get to the point where there is ten seconds or less in a match with Rosa and her partner extremely low on life. Defeat Rosa and you will see her bra.