Puipui!

Living in the high school student dormitories is first-year student Araki Jin. His archeologist parents have sent him a mysterious lamp that, once polished, causes the academy's idol Zadou Sierra to abruptly appear! What's more, she is dressed in a maid outfit! After she appears, her father arrives and explains that Sierra is a descendent of a lamp genie and that a genie needs to grant their master’s wishes in order to grow up.