Both anime and manga have received numerous industry awards in Japan and North America, as well as praise from critics.
The story is a shōnen comedy that takes place in the Kanagawa Prefecture, and centers on Keitarō Urashima and his attempts to fulfill a childhood promise that he made with a girl to enter Tokyo University together.
The series tells the story of Keitarō Urashima and his attempts to find the girl with whom he made a childhood promise to enter Tokyo University.
The manga was licensed for an English-language release in North America and the United Kingdom by Tokyopop, in Australia by Madman Entertainment, and in Singapore by Chuang Yi.
While on their trip they settle their differences and meet Mutsumi Otohime, who lives in Okinawa and is also studying for the Tokyo University exams.
After returning from Kyoto, Keitarō and Naru decide to retake the exams.
As Keitarō is about to leave, Naru finally confesses her feelings to him at the airport and decides to wait for him to return.
When Keitarō returns, he and Naru finally begin to express their feelings for each other.Unfortunately for him, Keitarō has an accident at the Tokyo University opening ceremony and is unable to attend classes for three months.After recovering from his injuries, Keitarō decides to study overseas with Noriyasu Seta.After a while, Mutsumi moves to Tokyo, and the three begin to study together.During this period, Naru becomes convinced that Mutsumi is Keitarō's promised girl, but Mutsumi states that she made a childhood promise with Naru, not Keitarō.In Japan, the manga sold over 16 million copies; over 1 million anime DVDs were also sold.