The story revolves around Minsur, an overweight girl who is constantly bullied by a group of people, including J, Yong Jae, and Egin. One day, J pretends to be nice to Minsur and makes her fall in love with him, but his true intentions are revealed when he takes a photo of her and mocks her.
Minsur is devastated and becomes depressed. However, with the help of her friend, she decides to transform herself by losing weight, learning makeup, and changing her name to Jobin.
Jobin seeks revenge on her bullies, especially J, by manipulating them and making them fall in love with her. However, things take a turn when it is revealed that Minsur has multiple personalities, including J, and that she suffers from dissociative identity disorder.
The story takes a dark turn when it is revealed that Minsur was accused of murdering her sister, but it was actually one of her personalities, J, who committed the crime. The doctor helps Minsur to eliminate her evil personalities, and she is eventually cleared of the murder charge.
In the end, Minsur is shown to be living a new life as Jobin, but still struggling with her past and her multiple personalities. The story ends with a twist, suggesting that Minsur's personalities may still be active, and that her revenge on her bullies may not be over yet.
Here are the key facts extracted from the text:
1. The protagonist, Minzun, is a chubby girl who is bullied by a group of students, including Yong Jae and Egin.
2. Minzun meets a boy named J who defends her against the bullies and gives her his phone number.
3. Minzun develops a crush on J, but he turns out to be a despicable and cynical person who was playing a trick on her.
4. Minzun is devastated and disappears from school for a year, during which time she undergoes a transformation, losing weight and changing her appearance.
5. Minzun returns to school and befriends Yong Jae, who has also undergone a transformation and is now friendly towards her.
6. Minzun, now known as Jobin, starts to take revenge on her former bullies, including Yong Jae and Egin.
7. It is revealed that Minzun suffers from multiple personality disorder and has created an imaginary friend, J, who is actually a personality created by her psychiatrist to help her cope with her condition.
8. Minzun's personalities, including J, start to take over her body, leading to a series of violent events.
9. Minzun is eventually institutionalized and undergoes treatment to eliminate her evil personalities.
10. Minzun is released from the institution and meets with a friend, Thaily, who was hired by her psychiatrist to help her adjust to life outside.
11. Minzun starts to experience strange dreams and confuses them with reality, but her friend reassures her that it's just a dream.
12. The story ends with Minzun giving her friend a lighter that she found on the road, which has a significance in her dreams.
Note: The text is quite complex and open to interpretation, so some of these "facts" may be subject to different interpretations.