Tsukushi Makino, a poor student, attends the elite Eitoku Academy. The F4 have free reign of the school and bully the other students. Tsukushi becomes enemies with the leader, Tsukasa Domyoji after standing up for her friend.

After abducting Tsukushi Makino, Tsukasa Domyoji asks her to become his girlfriend. Rui Hanazawa's first love Shizuka Todo returns from France. Yuriko Asai later invites Tsukushi to Shizuka's homecoming party.

Rui Hanazawa's first love Shizuka Todo makes plans to go back to France. At the airport, Tsukushi Makino encourages Rui to go after her. Meanwhile, Tsukasa Domyoji's sister Tsubaki returns from Los Angeles.

Tsukasa Domyoji and Tsukushi Makino are trapped in an elevator for a night. Someone snaps a photo of the two the next morning and the school now believes they are dating. Tsukasa does not clear up the misunderstanding.

When photos of Tsukushi Makino with a guy surface, Tsukasa Domyoji believes the photos are real and loses confidence in her. Tsukushi is determined to prove her innocence, so Sojiro Nishikado helps her investigate.

Rui Hanazawa returns from France, giving Tsukushi Makino mixed feelings. Tsukasa Domyoji's sister visits to stop their mother from interfering. Later, Tsukasa and Tsukushi go on a double date with Yuki Matsuoka and her boyfriend.

Tsukasa Domyoji feels betrayed by Rui Hanazawa, when he sees him hugging Tsukushi Makino. Tsukushi decides to go on a date with Rui. Later, Sojiro Nishikado helps Yuki Matsuoka get revenge on her cheating boyfriend.

Kaede Domyoji targets Tsukushi Makino's family and friends. Tsukushi decides to enter the Teen of Japan contest at Tsubaki Domyoji's urging. If she wins, she will get enough money to help her loved ones.

Tsukushi Makino enters Teen of Japan. Despite stiff competition from Ayano Kurimaki, she makes it to the final round. Meanwhile, Tsukasa Domyoji places a wager with his mother. He promises to go to New York if Tsukushi loses.