

In the Kendo Dojo, Saionji and Touga are fighting a Kendo duel. Touga defeats Saionji by a narrow margin. Utena hears from Saionji that they has fought hundreds of duels in the last ten years. Saionji also tells Utena that he wants to win the duels and take Anthy to the midair castle above the Arena. A memory crosses his mind about that raining day when he was a young boy... One day, he receives a letter from the Ends of the World, in which they say the castle will fall down to the Arena today. On the other hand, Utena gets a phone call from someone and he says Anthy is being kidnapped at the Forest of the Arena.
Utena Tenjou is a schoolgirl in the eighth grade of Ohtori Academy. She has the strange memory that, when she was very young, she met a mysterious "prince" and was given a ring with a rose signet. One day, Utena finds guys are making fun of a love letter somebody posted, and she finds it was written by her best friend, Wakaba, for the captain of Kendo Club, Saionji. For the sake of her best friend, Utena challenges Saionji to a duel. Then, Saionji tells her to come to the forest of the Duel Arena.
Winning the duel with Saionji, Utena is now the Victor of the Duel and is to be "engaged" to the Rose Bride, who is Anthy. Next day, Utena and Anthy start living together in a dorm. Saionji, who is actually really in love, asks Anthy to get back on good terms with him, but Anthy refuses. Then, he challenges Utena to a rematch. Feeling the whole thing is just crazy, Utena decides to lose the Duel on purpose.