已经是第二次报考东大的景太郎(上田佑司 配音)又失败了,而他记忆中的青梅竹马此刻或许就在东大里等待着他来完成童年的约定。因此,景太郎的第三次东大征程决定了。由于家人的反对,景太郎忍痛离家出走。景太郎的外婆经营着一家名叫“雏田庄”的旅馆,这就是景太郎此次投奔的目的地,但是他不知道,此时的雏田庄已经成为了女生专用的宿舍,而他的第一次光临,就撞见了一丝不挂的住宿生成奈川奈留(堀江由衣 配音),从而引出了一个有笑有泪的爱情故事。 在莫名其妙的状况下,景太郎成为了雏田庄的主人,而他所要面对的,是数十个“如狼似虎”的年轻女性。在应付她们的同时,景太郎还要保证自己“东大学生”的伪装不被拆穿,景太郎觉得,他和那个在东大等他的女孩之间的距离似乎越来越远了……When Keitaro was a child, he was friends with a little girl. When the girl had to move away, the two made a promise to meet each other at Tokyo University when they grew up. Years later, Keitaro has failed his entrance exam twice, and his parents refuse to support him any longer. His grandmother gives him refuge and employment as caretaker of her inn, which just happens to serve as a female dormitory. The eclectic group of tenants tease, annoy and berate him to no end. Still, Keitaro won't ever give up his promise to meet his childhood friend again, even though he can't remember her name.