17-year-old Junichi Nagase (or just Dzjun) a child living without parents,which disappear forever abroad. But the guy does not miss - for parents, and the whole family, it replaces the junior year sister Minato (which means "harbor") - pretty as Belldandi, strong spirit like Nanoha, good as Sanae, let alone in the house mistress public search. Being in such a sister, like a stone wall,in high school Dzjun many pokurolesil, earning the reputation of the first city Nha Ghana nicknamed "Genokiller". To a high school, however, I sense, discharging more and more with the help of console games. And those Nha Ghanaian adventures, according Dzjun were shamelessly inflated bosom druzyami-classmates - the great provocateur Fuyuhiko and school reporter Tsukasa. However, when was the last day of vacation Dzjun saw two loafers adhere to the unfamiliar girl lacked the "right of the question," failed to disappear macho, beating the bows on the run.Brushing off a careless wave of his thanks to the typical form of "Princess", our hero proudly retired to the next day to see the horror of how this girl named Yuhi Katagiri translates in its class. Sweet and educated Juha (which really means "princess") beginning familiarity with the school to the public thanks to his savior,that for some reason infuriated the local self-styled "queen" Karen Ayanokodzi. She decided to arrange a brand new trap by proposing to her at all to explain his relationship with Nagase. Juha honestly describe what was then called Dzjun whose insidious Fuyuhiko with Tsukasa misled, melody, that it was a girl`s honor,Juha and must be saved. Acting boldly and decisively, Dzjun burst into the classroom, looked into his eyes and Juha... kissed. After coming through the efforts of sisters at home in the evening, Dzjun with horror heard the doorbell. Behind her stood Juha with things. To finish off the accident, she said, she knew in advance -they are engaged and their parents will have to spend a month under the same roof for the test of the senses. Now note the question! Who`s doubts, what would happen?