Jin-Woo and Ren grew up as next-door childhood best friends. Their houses were almost identical, with spacious adjoining gardens. Jin-Woo's home was colourful and lively, while Ren's was elegant and orderly. Three years older, Ren protected Jin-Woo from bullies. They spent their childhood exploring gardens, observing bugs, playing, teasing each other, and sharing countless happy moments. Ren loved banana shakes back then, while Jin-Woo enjoyed all kinds of sweets. Their friendship gradually developed into deeper feelings. Eventually, Jin-Woo's family moved away because of his father's work, separating the boys. At nineteen, Ren suffered a serious car accident. Surgery saved his life but caused significant memory loss, erasing his childhood memories of Jin-Woo. His once-playful personality became serious and reserved. He now preferred bitter coffee and found banana shakes too sweet, although his love of observing bugs remained. Years later, Jin-Woo returned to the city with his family. One morning, he saw Ren leaving their neighbouring house in a formal suit, carrying his laptop bag and coffee. Excited, Jin-Woo hugged him and asked, "Missed me?" But Ren didn't recognize him. Jin-Woo later discovered Ren's relationship with Kevin and was heartbroken. After another painful incident, he returned to his village, unable to bear being forgotten. Ren only realized how much he missed Jin-Woo after he had left. Two years later, Ren's work brought him to Jin-Woo's village. He was shocked to find Jin-Woo there, but Jin-Woo treated him coldly. Confused, Ren couldn't understand why. When Jin-Woo discovered Ren's childhood photograph, Ren explained his accident and memory loss. Jin-Woo finally understood that Ren hadn't deliberately forgotten him. Gradually, they rebuilt their friendship while working together on Ren's village project. After returning to the city, Ren continued missing Jin-Woo. When Jin-Woo eventually returned to city, ren Walk and confessed, "Jin-Woo I Miss you”

The Basement Incident One day, Liam's father secretly orders several students to target Kevin. Kevin is lured into a basement and attacked. He suffers a serious leg injury. After the incident, Kevin can no longer continue playing basketball the way he once did. His biggest dream is destroyed. And Liam eventually realizes that his father's actions were behind it. Worse— Liam believes it happened because of him. Kevin refuses to speak to Liam anymore. Their friendship ends. Liam never explains the truth because he is terrified of his father. And Kevin believes Liam simply abandoned him. JACK Jack comes from an extremely wealthy family, although his family isn't as powerful as Liam's. He has an attitude similar to Liam's, but he's much more openly jealous. Jack hates how everyone automatically respects Liam. He constantly tries to compete with him, embarrass him, or provoke him. Sometimes it's almost funny. Other times, Jack's jealousy becomes dangerous. Jack sees Liya's arrival as an opportunity to cause even more trouble. JAISECA Jaiseca is one of the most popular girls at Haneul Elite Academy. She's: Extremely wealthy Beautiful Popular Confident Mean when she doesn't get what she wants Used to getting attention She likes Liam and genuinely believes she is the perfect choice for him. She also believes Liya is completely beneath him. Liam's father agrees. He considers Jaiseca an appropriate future partner for Liam because she comes from a powerful family. Jaiseca therefore receives something Liya never has: Liam's father's approval. And she intends to use it. LIYA × LIAM Liya and Liam couldn't be more different. Liya: poor but happy. Liam: rich but miserable. Liya doesn't care about Liam's wealth or popularity. At first, Liam finds her irritating because she doesn't treat him like everyone else. She doesn't fear him. She doesn't flatter him. And she doesn't care whether he's the most popular boy in school. For the first time, Liam meets someone who looks at him real

The school year has just begun at Haneul Elite Academy. The classroom is filled with conversations and laughter, but Ren sits silently at his desk, focused on his notebook and ignoring everything around him. Sara sits beside Lisa and notices her repeatedly looking toward Ren. After teasing her, Lisa admits that she likes him. Too shy to approach Ren herself, she asks Sara to help her learn about him—his personality, interests, likes, dislikes, and whether he might like someone. Sara agrees. To her, it is only a favor for her best friend. She decides to become Ren's friend and find out everything she can. Sara approaches Ren and starts talking to him. At first, his answers are short, his expression unreadable, and he shows almost no interest in conversation. Sara refuses to give up. She keeps joking, asking questions, and sitting beside him. Slowly, Ren becomes used to her presence. He doesn't smile or become cheerful, but he starts listening to Sara, remembering little things she says, and noticing when she is absent. Sara doesn't realize she is becoming important to him. As their friendship grows, Sara begins seeing the loneliness and pain behind Ren's silence. She learns about his parents, his fear of rain, and the guilt he carries. Instead of leaving him alone, she stays beside him. Without intending to, Sara develops feelings for Ren. But she refuses to accept them because of Lisa. She suppresses her feelings and tells herself she is only helping her friend. At the same time, Kevin grows closer to Sara and develops feelings for her. Sara becomes good friends with him, unaware of how much their closeness affects Ren. Ren begins feeling jealousy and fear—the fear of losing someone he has finally allowed into his life. Tension grows between him and Kevin, eventually leading to a fight. Lisa loves Ren. Kevin loves Sara. Sara secretly loves Ren but denies it. And Ren, who once stopped caring about life, is slowly finding someone he cannot bear to lose.

At Haneul Elite Academy, money, reputation, and academic success determine almost everything. Sara is one of the most outgoing students in the school, while Ren is the quiet scholarship student who prefers to stay invisible and focus on his studies. Sara's best friend Lisa has fallen for Ren. Wanting to help her, Sara promises to get closer to Ren, understand his personality, and find out what kind of girl he might like. Sara thinks it will be simple. She doesn't know that becoming Ren's friend will slowly change everything.

Soren is the feared and admired king of Hanseong Elite Academy. Born into one of the wealthiest families in the country, he has everything—money, popularity, power, and good looks. Behind his cold and arrogant attitude, however, lies a lonely boy burdened by family expectations and the painful loss of his mother. When Han Se-ah, a scholarship student from a humble background, enters his life, everything begins to change. Unlike everyone else, she refuses to fear him or bow to the school's hierarchy. As their worlds collide, hidden secrets, friendships, rivalries, and unexpected feelings begin to emerge. His dialogue is confident, sharp, and sometimes sarcastic. He rarely shows emotions but deeply cares about the people he trusts. Will Soren remain the ruthless bully everyone knows, or will Se-ah uncover the kindness hidden beneath his mask?

Park Se-ah's decision to request a Student Trial makes her the center of attention at Hanseong Elite Academy. Many students see her as brave, while others think she is foolish for challenging a system controlled by powerful people. Kim Eun-sook immediately takes an interest in her. At first, he sees her as an annoying junior who refuses to back down. He often teases her, gives her a hard time, and puts pressure on her regarding the Student Trial. However, unlike the way he treats most students, he never becomes truly cruel toward her. He does not use his group against her, does not physically hurt her, and does not try to destroy her reputation. His actions are more personal, as if he is trying to understand her while pretending to dislike her. What Eun-sook does not realize is that Park Se-ah is the same girl he met years ago during a family business gathering. As children, they spent a short time together, and she left a lasting impression on him. He has never forgotten that memory, but he does not recognize Se-ah now. He also has no idea that she belongs to the Park family or that she is Park Jimin's younger sister. As the Student Trial progresses, Kin Son-je begins viewing Se-ah as a threat. Unlike Eun-sook's teasing, Son-je's actions are calculated and dangerous. He quietly manipulates situations to make Se-ah a target and attempts to pressure her into abandoning the trial. When Eun-sook discovers what Son-je is doing, he unexpectedly steps in to protect Se-ah. For the first time, he openly opposes Son-je regarding someone else's safety. Although Eun-sook refuses to admit it, his feelings for Se-ah influence his decisions. Kim Hyunwoo also becomes one of Se-ah's strongest supporters. His kindness, concern, and genuine care gradually reveal that he has developed a crush on her.keep her safe from the conflicts surrounding the Student Trial. As a result, Se-ah slowly develops feelings for Eun-sook, while Hyunwoo quietly falls for her as well, creating a complicate