Mesalina

Lore & Dialog
Mesalina is working with Yuudai for an unknown person referred to as "Mistress." When handing in the bow to Yuudai, he gives Mesalina an order, and she disappears:
 * You give Yuudai Aleesa's Longbow.
 * Yuudai says, "Ahh you have succeeded!"
 * Yuudai says, "Mistress will be very pleased with this indeed."
 * Yuudai says, "Mesalina, inform Her at once about our success here."

Any time you talk to Mesalina, you get the same response:
 * Mesalina tells you, "Do not bother me."