'To X who doesn't love me' is a story of young people in their 20s who are struggling with their dreams and love, heralding the birth of a reality-sympathetic drama. 'To X Who Doesn't Love Me' is a "expiry date" romance drama that tells the story of Seo Hee Su, a college student and aspiring lyricist with zero self-esteem and zero self-love, who discovers a mysterious lyric note that makes anyone fall in love with her for a month and gets intertwined with Jung Si Ho.—mydramalist

Seo Hee Soo is a university student and she wants to become a song lyricist. She has never had a boyfriend in her life and her self-esteem is almost zero. She happens to find a mysterious lyrics notebook that makes love come true for the writer. Her best friend Jung Shi Ho is the only one who knows about Seo Hee Soo's lyrics notebook. Seo Hee Soo soon gets involved with different men.—mydramalist