Unlock: Use Trevor, Complete Reuniting the Family
Requirements:
Good Cyclist – Never provoke Mary Ann by bumping into her.
Quick Win – Finish first within 01:42
Go to North Vinewood and find club "Tequi-la-la". Enter it and you can find Willy talking to someone. Do not talk to him yet, just go upstairs and chat with his bandmates to acquire the bonus. Now go back downstairs and beat Willie to a pulp. Grab his golden teeth and exit out asap.
The image featured at the top of this post is ©The Legend of Heroes: Trails of Cold Steel III key art.