A Piece of Your Mind
2020 South Korean television series

A Piece of Your Mind (Korean: 반의 반; RR: Banui ban) is a 2020 South Korean television series starring Jung Hae-in, Chae Soo-bin, Lee Ha-na, and Kim Sung-kyu. It aired on tvN from March 23 to April 28, 2020.
Synopsis
A drama-romance between Moon Ha-won (Jung Hae-In) and Han Seo-woo (Chae Soo-Bin). Moon Ha-won is an AI programmer and he is the founder of AH Company. He is a consistent person with a good heart. Meanwhile, Han Seo-woo works as a classical music recording engineer. Her life is unstable without a family or house, but she is a positive person.
Cast
Main
Jung Hae-in as Moon Ha-won
Nam Da-reum as young Moon Ha-won
An artificial intelligence programmer who founded the company AH. He is very serious about his work though he seldom gets angry and is known as being a kind person. His unrequited love is Kim Ji-soo, who is also his childhood friend. He later falls for Han Seo-woo.
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Object files, edition statements, performance records and contemporary criticism preserve different stages of the work’s history. The source revision retrieved here is dated Sep 4, 2026. The linked authority identifier is Q67181794. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2020.
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This entry incorporates text from “A Piece of Your Mind” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.