Chihiro Enomoto is a freshman that just got to a new school called Rikkyoin High School. He lost his parents in a traffic accident when he was 10. Since then, he has been living only with his elder sister Shinobu. He is good at cooking and cleaning, and does all the housekeeping jobs. He fell in love with Tokino at first sight when he met her in the school library on the first day of school. Another girl named Ritsuko, a childhood friend of Chihiro and the chair of student council, falls in the love with the boy instantly after this long-awaited reunion. But she is not the only one who is in love with him. This is the story about a one-year campaign among the candidates for the next students government leaders, who are also chosen by the lot (kujibiki), in order to gain the position.

[Source: Anime News Network]

Once a year prestigious Rikkyouin High School has a lottery to determine the next year's Student Council membership. On their first day of school Chihiro Enomoto wins the presidency while his childhood friend Tokino Akiyama picks the vice-president's ticket. There is one catch though, they must first pass a one year apprenticeship under the current Student Council and any failure to perform the tasks assigned, however minor, will result in immediate expulsion from the school.

[Source: Anime News Network]