"......I'm going to go out on a limb here and say the sobbing centuries-old ghost probably isn't craving dairy products."

Perhaps Fumi's suggestions were more on the ball.

"A-Ah... We didn't realize anyone was still in here. Our apologies, Lady Oichi. Is your brother... around?"

If she said 'yes', the plan was to run like the wind because heck if he was facing the ghost of Nobunaga in battle.