Yume is a friendly Sea Cucumber Girl. She can join you after a battle.
Yume: "Hey, wait up..."
Yume: "Oh, Shelly. ♪ Come on, let me have drink!"
Shelly: "Kyaaa! Help meee!"
Yume: "Ahahaha. Wait up. ♪ "
Sonya: "(They seem to be having fun.)"
Yume: "Sea anemones are so aggressive. Sea cucumbers are pacifists. We just want to live in peace."
Isabelle: "I am carnivorous Are you trying to impose your selfish values onto me?".
Yume: "Aren't you imposing values in return?"
Isabelle: "That' imposing values about values in return... I forgot why we are arguing."
She is required in the "Sea Company" scene.