Walkthrough

After Byuu makes his sexy entrance, go find some items. The top crate to the left of the house has a Uniuji. Go up the walkway to the right of the house and go to the end to get 5 Magic Gins (you don't even have to press A). Now head inside the house. The right side of the wardrobe has a Drawer Thing, and the left spear holder has a Genius Notebook. The top barrel has a Sweet Wine. Go into the bed and face down to get a Porno Mag. Talk to Matelite. Whatever you pick, he'll pack out. Examine the chest he was in front of for a longish cutscene. Your answers here don't matter. You'll get both a Sweet Memory and a Bitter Memory when it's over.

Go back outside now. Go to the new dragon on the left (Thunderh) and name him. Talk to Zora to get 5 Ice Grass, 5 Thunder Grass, 5 Poison Grass, 5 Life Grass, and 1 Earth Grass. Feed the grasses to their respective dragons (fire to Salmando, thunder to Thunderh, etc.) You can talk to Sendak to get a flashback from when Byuu left. Once you're finished feeding everyone, get on Salmando to reach the battle. You'll note that you can't change formations or dragons here, but you can equip people with any spoils you got from the last battle.

Here your objective is just to get rid of the boss, but you'll find it far easier if you blaze through the other enemies first (good EXP, too). Just plow through them and have Zora's party heal you when you need it; you shouldn't have any problems.

When you're done, you'll be inside Kahna's flagship! Go up (you'll never be able to get those chests, ignore them). Talk to Hornet, then go up again. Go up the left side and onto the bridge. Before you get there, Sendak will ask you to name the flagship (default is Farnheit). Another short scene will ensue. Welcome to your new home!