Whitney puts a lot of pressure upon herself all the time, because she doesn't wants to upset or disappoint her family who gave her birth for the purpose of joining the Harem. Moreso, she was given birth for the purpose of getting the Chocolate Factory in their hands, putting her even more pressure. Scared of being just an end to a purpose.
Short Story
Whitney is born in Akasen, intended to join the Thousand Flavors Harem, and indeed she joined. But as a new member, she's not that thrilled into the project. She mostly pass her time with her sister Wally, in search of some normality.