On Earth, a year passed from the beginning of the informal friendly visit of Princess Lala Satalin Devilyuk. The daughter of the ruler of all the Galaxy left home,to avoid the annoying suitors, and the first day on the new planet met true love in the face of Rito Yuki, of course, a simple Japanese schoolboy. However, some sources claim that to blame the misunderstanding, but that women`s intuition in such matters is not wrong,caste and cultural barriers are not afraid of him! And let himself Rito frankly admitted that his heart was given to a classmate and longtime girlfriend Haruna Sayrendzi. Whatever you say, Lala has a much higher quality and extensive education, one of which postulates states: Princess always get what they want! As time went,problems encountered and solved, the Earth has become a popular holiday destination in the galaxy, and in the house Yuki family, a whole colony of alien: Lala, her sister Nana and Momo, Peke robot and intelligent flower Selina. We can also add a nice hunter Yami, profit for the head of the protagonist, and stayed in the... uh... for research purposes.Seeing a similar note, the findings made and the school pupil Sinai, where almost all extinct "distinguished guests". Rito gradually realized that, going on an interplanetary level, it is necessary to expand the outlook, that is, to try themselves in the difficult role of harem master. Masaki family has long been proved - in a different way can not be galactic Prince!