She will tell you to go talk to Ohbiru-Dohbiru and Kenapa-Keppa in the "higgledy-piggledy laboratory" next door.
Speak with Ohbiru-Dohbiru and Kenapa-Keppa, who will complain that they're out of food but can't leave their work.
Go back to Kerutoto; she will give you her order and tell you to ask them for theirs.
You may receive the quest Waking Dreams the first time you talk to Kerutoto.-- Zoned and still had to talk to Kerutoto several times before he stopped dreaming about Pso'Xja.
It can also be fished up at the docks of Port Windurst at skill 0 using any kind of rod or lure.
You will receive part of the payment from each of the three npcs. You can trade all items to each NPC. They'll only take the items they ordered and leave the rest in your inventory.
If you speak with Leepe-Hoppe on the roof during this quest, it becomes obvious who ate all their food supplies (optional).
You've been asked to buy food for the two busy researchers and one freshly-awoken meditator. You'll have to ask each of them what they want... if you can understand them, that is.