Mio Kisaki, a normal student in her second year, has been friends with Takahiro since he came abroad. There was a little misunderstanding, and now she's going to duel with Bertille, a second year knight. Takahiro couldn't stand back and watch--he's gonna be her begleiter. Mio doesn't even know how to hold a lance, but she realizes jousting is fun while Takahiro teaches her. All the women who wanted Takahiro to be their begleiter are surprised.

Takahiro elicits helps from Noel a second-year knight student who wants to show just how strong she is by helping to train Mio. The day of the duel comes, and Mio doesn't just learn how fun jousting can be, but also how tough. You'll be surprised how different Mio looks when she shows up to meet Takahiro in the morning. It's time for Mio's duel with Bertille. What will happen?

Akane Ryuuzouji: a woman given an A-ranking in the knight division, a trusted confidant of Mio, and also hails from the same land as Takahiro. A girl in black armor appears before Akane. Akane gets into a fight with some underclassman, and as a result ends up having to fight that black knight. The first year Lisa Eostre is the one wearing that suit of armor! Meanwhile, Mio find herself lost now that she doesn't need to joust anymore...

Mio realizes how she truly feels about jousting and decides to participate in the summer tournament! Celia, the student council president, invites Mio to have tea with her so she can see how Mio really feels about jousting. After having her entry accepted, Mio goes to visit Noel's house with Takahiro. They meet Noel's younger sister who is confined to a wheelchair, Mireille. Takahiro and Mio learn about why Noel really wants to participate in the summer tournament...

Akane finds herself weak as she admires Celia just way too much. She decides that she must undergo training to overcome this, but rain comes instead. She goes to find shelter in a windmill, and finds Celia there, as well. There's trouble, and they find themselves unable to leave the windmill. Takahiro realizes something is up, and he comes to find them, but you'll never believe what happens...

On the day before the summer tournament is the Miss Winford Contest, a competition to decide the most beautiful girl in the academy. Amid the excitement around the school, a rumor spreads that Takahiro will become the winner's begleiter!

It's finally the day of the summer tournament. Takahiro, who is participating as a begleiter, tries to convey his intentions to everyone, but an emergency suddenly takes him away from the action.

Noel and Celia face off as Takahiro watches. Noel's feelings toward the younger sister she fought so hard for bring about a miracle, and as Takahiro looks on, he once again realizes the path he must take.