Hyun Jong-Hyun (Yoo Seung-Ho) is a webtoon writer and works part-time at a bookstore. He always dreamed of working of as webtoon writer, but he has difficulties due to his stubborn and self-centered personality. He also has a cat named Boggil. He first met his cat on the street during a rainy day. Since then, they have lived together and Hyun Jong-Hyun only opens his mind to Boggil.