A Piece of Your Mind
반의 반 (2020)
Ha Won, an AI programmer who is the founder and brain of a portal site called M&H. Though he is firm about work, he is a kind-hearted rational thinker who never gets angry.
Han Seo Woo, a classical recording engineer. She always has an optimistic mindset despite her unstable lifestyle with no family or home, and she solves math problems to find comfort in difficult times.