Jo Chan-hyun

Having never been involved in a long-term relationship, Ha-yoon was hoping that her current boyfriend, Nam Tae-ryeon, would be the one to change all of that. But when he announces he wants to break up with her before they even reach their 100th day, Ha-yoon refuses to accept her fate without a fight. Determined to make this relationship last, Ha Yoon suggests a month-long “break-up grace period” in which she and Tae-ryeon are allowed to spend as much time apart as they want, without calling things off completely. Agreeing to her terms, Tae-ryeon and Ha-yoon draw up a contract in which the terms of their grace period are clearly stated. While Tae-ryeon goes about his life, Ha-yoon somehow finds herself signing an entirely different contract with her best friend and college colleague, Kang-jin.

A former idol starts fresh as a cosmetics intern, only to face his flirty, tormenting boss—an old acquaintance. Tension rises, and sparks begin to fly.

Revealing N? Who and what is that? A bowl too big for Confucianism to hold, this is Seo Woo's love story.

A 19-rated office romance where the protagonist, betrayed by her husband and best friend, embarks on a dangerous, contract-based infidelity affair with her best friend's husband.

Ji Soo, an advertising planner who is faithful to her desire to date someone she likes, is proud of her working abilities at her company. She is dating Tae Oh who is her superior at work and Ji Ho, a cheerful young man, who is out there trying to make ends meet. But when Ji Ho went to work at Ji Soo's company, Ji Soo's daily life, which seemed perfect, began to collapse... Will Ji Soo be able to handle all this and continue her two-legged relationship?

A man regrets splitting with his girlfriend after she insists on a one-month separation and spends time with her male best friend. Who will win her heart?

A story of love and friendship between five high school students from Seoyeon High School. Lee Ha-Min (Seo Ji-Hoon) appears like a bright person, but there is also darkness within his mind. Han So-Mang ( So Ju-Yeon) is a warm-hearted person, but she is also quite timid. Lee Jae-Min (Kim Min-Kyu) is a popular student with a painful past. He is kind to everyone around him. Yoon Bo-Mi (Kang Hye-Won) is a sweet, model student. Choi Jin-Young (Yoon Hyun-Soo) loves playing games. He can seem unfriendly and has a delicate personality.