เมืองแห่งความฝัน สวนสนุกต้นโอ๊ก!

Missing, extremely new, or very obvious to obtain.

Reference to chapter 47 of the manga series Doraemon, titled "The City of Dreams, Nobita Land." In this chapter, Doraemon used his Instant Miniature-Making Camera gadget to create a miniature town which Nobita and his friends could enter and play. - Credit: Necrosyrtes