Ding Dang and her good friend Qiao Qiao, Niu Dun and Re Qiqiu came to Hulahula Planet and they studied in Guaguagua Primary School which was renowned in the universe. The teachers here were totally different from the teachers in the Earth: Lazy teachers were accustomed to letting students give lectures on their own and they would also leave interesting homework; Mischievous teachers taught their students how to play; Yes teachers always said "Yes"… There was a weird boy with a deer horn whose name was Ka Cha. He was unhappy all the day because he had lost his mother. Magic teacher led the class to have a spring visit and they came to "Surprising Magical Botanical Garden". However, they would never imagine that they became giants, towering trees, tea cups and so forth…