Ji Ho-geun

After the sudden death of his older brother, who loved jazz, Han Tae-yi loses his passion for music and wanders for a long time. Yoon Se-hun, a transfer student, appears and gets on Tae-yi's nerves by playing jazz songs his brother liked in the school practice room. Although Se-hun is a classical music major, he secretly admires jazz. Se-hun and Tae-yi often argue over using the practice room, where they learn more about each other, and the relationship gets more complicated...

Ju-yeon subs in on an R-rated dating reality show. Intimate contact is mandatory and bedmate swaps every night! Ex-boyfirend Inho, nice Jae-hee, and sexy Se-heon is waiting for her in the sharehouse. And their exes start moving in... Participants approach her through a moral-bending rule. Romance vs Money, Instinct vs Reason. Ju-yeon's shaky decision-making begins.

Driven to the edge by a life falling apart, Ha-yun makes a desperate choice: selling herself to Jun-hyeok, the man she has secretly loved for years. To her, it’s a heartbreaking end to her unspoken crush, but to him, she’s just a "bought woman" to be toyed with and humiliated. However, once her true identity is revealed, his cold-blooded contempt ignites into a dangerous, dark obsession. Now, he refuses to let her go. Can they survive the twisted fate sparked by secrets and raw desire?

A flustered teacher scrambles to hide his fanboy side when his idol films at school—but being cast as his co-mentor makes secrets hard to keep.

After his jazz prodigy brother's death, Tae-yi loses interest in life. Se-heon, a passionate new student, rekindles memories of his brother through his music. Se-heon suspects a connection. But his return stirs tensions.

Ha Yeon-woo, a popular low-class guy, has only one girl, So Yeon, the love of his dreams, in his heart. After touching Oh-dong's nerves by mistake, he is put in danger, but Hwigeon and Cheon Ilhong save him to use him for their revenge on Byeok Family. Yeon-woo forcibly becomes a servant in Byeok Family to save his sister taken hostage, and there he reunites with Oh-dong and So Yeon.

On her wedding day, Yerin is betrayed by her fiancé and best friend and loses her life. In her final moments, she realizes the only man who truly loved her was the one she once rejected. When she wakes up at the moment of the proposal, she chooses revenge—bringing the two together and leading them toward ruin. But as she grows closer to the man she once turned away, her feelings begin to change. Caught between revenge and love, can Yerin reclaim everything and find true love?

After spending an accidental one night with Hasung, the CEO who's allergic to females, Yujin, a foster daughter of the Kang family, is put in danger of being abandoned for tarnishing her family's name. Hasung saves her at the right moment and ties the knot with her right away. When Yujin's wounded heart was healed during her happy marriage, the Kang family shows up for a belated apology.

Hana is murdered after witnessing her husband Jinho’s affair with her friend Yerin, but she ends up traveling back in time. Determined to get revenge, she takes a job as Dohoon’s secretary, Yerin’s fiancé, and sets out to seduce him. As she digs for information on Jinho and Yerin, she grows close to Bae Shinwoo, finding herself caught in a love triangle. After Yerin’s actions create a rift between Hana and Dohoon, she pulls away from him but, with Shinwoo’s help, uncovers the evidence that could bring down Jinho and Yerin. When Yerin kidnaps and attacks Hana, Dohoon takes the hit in her place, and Hana realizes his true feelings. Now that her revenge is complete, Hana must choose between Dohoon and Shinwoo.