Stephen and Christina have been friends since childhood and have been living close to each other. By the time they reach adulthood, each has their own sweetheart. But Stephen is tired of being in a relationship with a man, always wanting to be with Christiana. In particular, she was heartbroken when Christina had a male relationship. On the day they graduated, they wore twin dresses for the evening party. And this is the first time Stephen wears a feminine dress like Christiana. At the party, a lot of guys want to flirt with them, but Stephen doesn't care. When they were about to return home, a man approached Christina. So Stephen helped Christina by ripping her skirt short and kicking the gangsters, and Stephen chased them away because of her Karate skills. When Christiana heals Stephen's wounds, it makes Stephen want to kiss her. And she imagines when she inflates the air to help Christiana when she drowns. Many months later, Christiana had to move to live with her mother in the city, much to Stephen's grief. After Christiana left, Stephen went to the hospital to learn about her desires and differences in feelings, only to find out that she was a lesbian. And when she first told her family, everyone was against her . But time changed them and allowed her to do what she did, and she changed her clothes, cut her hair and injected herself with breast augmentation as man. The day she opened the engineering team, she meet Christiana, who had not contacted her for many years, worked in the basement of her office. They met and were shocked, and Christiana explained why she did not contact Stephen because she was busy with a new simulation project and her diary and phone were lost when thieves stole her bag. They became as friendly as before, this time Stephen was always comforted when Christiana break up from her boyfriend. When Christiana was drunk and Stephen could not bear to see Christiana upset, she confessed her love, which surprised Christiana when Stephen kissed her. From that day on, Christiana was not seen coming to work and not stay at her rented house. Therefore, Stephen was very upset and asked for a job transfer permit abroad. But the day she got ready, Christiana ran to her and said a word of love to her, which made her very happy. From that day on, they kept in touch and faced social problems that discriminated against them. But they modified and overcame those issues until they were happily married and recognized by law and society