A 21-year-old woman, she is a part-time staff of a convenience store and Hoon's girlfriend, and seems to not want to get married during her lifetime. She tells Hoon during their 100th day anniversary that she wants the both of them to live together, but Hoon constantly rejects her idea because they are not a married couple.
Appearances
Another Oh Hae Young
Guest cast, played by Heo Young Ji
- Episode 1x01: Can I Cry? (May 2, 2016)
- Episode 1x02: A Relationship Due to Willful Negligence (May 3, 2016)
- Episode 1x03: Love If You Want to Live (May 9, 2016)
- Episode 1x04: Let's Buy a Humming Tune and Go Home (May 10, 2016)
- Episode 1x06: Half Love, Half Pity (May 17, 2016)
- Episode 1x07: I Wish I Was the Only Woman in the World (May 23, 2016)
- Episode 1x08: I'm Crying Not Because of Him, But Because of You (May 24, 2016)
- Episode 1x09: The Wind Blew in His Heart (May 30, 2016)
- Episode 1x10: On My Way to You (May 31, 2016)
- Episode 1x11: In Pain, In Pain... (Jun 6, 2016)
- Episode 1x13: The Heart I've Understood (Jun 13, 2016)
- Episode 1x14: Silence All the Other Sounds That Are Not of Love (Jun 14, 2016)
- Episode 1x15: Those Past Days I Couldn't Give You More, More Love (Jun 20, 2016)
- Episode 1x16: Through You, I Live (Jun 21, 2016)
- Episode 1x18: Please Stay Alive, I'm Grateful You're Alive, Honey (Jun 28, 2016)