If you don't know the story of "Kaguyahime" you can't understand.
At the beginning of "Kaguyahime" Princess does live in the bamboo. Let's use a bamboo-shaped container.Hmm~ I'm looking for some sort of containerof-- of course not...Reisen~ Are you secretly raising something?Oh! It seems fine with it. Then it'll be alright.but it's cruel to lock up such an adorable creature...