Hyper Formation Soccer Bonus teams
At the main menu, hold R1 + L1 + Right + Square and press Triangle, X. If you entered the code correctly, you will hear two sounds. Now two bonus teams (Master and Human) may now be selected.
100% fitness
Choose exhibition mode, and enter the team condition menu before beginning the match. Then in this menu, press Right, Up, Left, Down, and Square.
The image featured at the top of this post is ©The Legend of Heroes: Trails of Cold Steel III key art / Original