A scene of Class embracing Sugina is witnessed by Si, who leaves in anger. Because of this incident, Si declares that he is done with Class and removes him from F4. Despite Misaku and Simon's attempts to mediate between them, it doesn't help. During the weekend, Class goes on a date with Sugina, and Si follows him there. At the same time, Sakurako is also following him on his mother's orders, and the three parties meet outside a cafe. The three of them meet outside the cafe. An angry Si and Sugina argue again, and although Sugina and Si fight every time they see each other, Sugina realizes that she can't help but think of Si when he's not around. When Nakatsuka, Yu's boyfriend, has a new boyfriend, Yu is devastated. When Simon passes by in his car, he sees Yu squatting on the street and crying alone, he feels pity for her and comforts her. When Simon takes Yu to the movies, he runs into Nakatsuka and his new girlfriend. Simon teases Nakatsuka a lot and gets revenge for Yu. Sugina arrives at the same time and learns from Nakatsuka the truth about Si's beating, and feels very guilty. Si thinks that Class is using Sugina to fill the void created by the loss of Shizu, and wants to teach him a lesson. Si warns Class not to play with Sugina's feelings, and Class tells Si that what he did before was a joke, and they shake hands. The two shake hands and make up. Sugina sends Si a text message apologizing, and Si is ecstatic.
Just as Sugina is happy to be back with Si, disaster strikes. Due to Si's mother's backstabbing, Sugina's father, who had just been promoted, was fired from the company and ordered to move out of his current staff housing as soon as possible. At the same time, loan sharks came to their doorsteps, and under the pressure of Si's mother, Sugina's parents couldn't find new jobs, so Sugina's family's previous normal pace of life was completely disrupted. As a result, Sugina has to drop out of Yingde and tries to find a part-time job to subsidize her family. One day, Sugina is persuaded to take a photo shoot for her uniform, but she is lured to the scene and realizes that the photo shoot is an exposing photo shoot. At the most critical moment, Class shows up and rescues Sugina from the wolf's den. From the class, Sugina learns that everything is the work of Si's mother, and rushes to Si's mother's place in a fervor, rebuking her to her face and watching the people around her in disbelief. When Si learns of this, he assures Sugina that he will protect her and her family, and asks Tsubaki for help.
When the day of TOJ's official audition finally arrives, Sugina is escorted to the venue when a girl named Ayano suddenly greets Si. It turns out that Ayano is the rival that Si's mother sent back from England to deal with Sugina, and is also Si's betrothed girlfriend. The competition begins, and Sugina manages to make it to the finals with her wit and courage, and competes with Ayano for the final title. The final event is to play with the children, and although Ayano initially has the upper hand, Sugina's honesty and openness quickly wins over the children and manages to turn the situation around, with the children rallying around her. Instead of isolating Ayano, Sugina invites her to join in, and they end up in a tie, but Sugina loses out to Ayano in the overall evaluation and fails to win, but the jury still gives her a special award, and Sugina's openness wins her a round of applause from the audience. Domyoji's mother asks Ayano to take on the responsibility of caring for Si as her fiancée, but Ayano says that she can't grant her request because Si's heart is with Sugina. At this point Tsubaki also comes to persuade her mother, causing Kaede to have a change of heart. After the tournament, everything seems to start looking up. Sugina's father is invited back to work by the company, and Nishikado and Mimasaka find their respective sweethearts, when Todo Shizuku also returns to the class. Since Sugina lost the match, Si had to go to New York to study as he had agreed with his mother, and before he left he asked Class to tell Sugina about it. When Sugina arrives at the Domyoji family's private airport, the plane has already begun taxiing on the runway, and Sugina desperately tries to catch up with the plane as Si orders it to stop. Si tells Sugina that she is the only woman he loves the most, and the two embrace each other lovingly in the sunset.
In the end, Domyoji and Sugina went through a lot of trials and tribulations and finally got together. Standard HE ending, the upper division is Daomingji, translation error.