The Arrival of Tsubaki Domyoji!

After seeing Tsukasa with Sakurako, Tsukushi meets his sister Tsubaki Domyoji, who brings her to their house. Tsukushi manages to hide but gets lost in the huge mansion. He comes across her and becomes angry when she mentions Rui's name. Tsubaki comes to her rescue in time.

The Crime and Punishment of a Kiss

Tsukasa catches Tsukushi and Rui kissing. Back at school, he kicks Rui out of the F4 in a public fight. Tsukushi, who feels horrible for hurting Tsukasa, tries to apologize to him but he walks pass her. Later, Tsukushi breaks down and cries in front of Rui. He asks her out on a first date.

A Bewildering First Date!

Tsukushi meets Rui for their date. She thinks about Tsukasa throughout much of it, wondering how he would have handle certain mishaps. Rui invites her back to his house, where he quickly falls asleep. On her way home, Tsukushi is shocked to see Tsukasa laughing with Sakurako.

Night of Betrayal

Rui tells Tsukushi about his time in Paris. When she returns to the villa, she lies to Tsukasa by telling him she was alone. He later finds out the truth. The next night, Tsukushi returns to beach now crying. Rui kisses her, questioning why he did not fall for someone like her.