My First Love
- Title: 애간장 / Aeganjang
- Also known as: Longing Heart
- Genre: Romance, comedy, fantasy
- Episodes: 30 / 10
- Broadcast network: Oksusu / OCN
- Broadcast period: 2017-Dec-20 to 2018-Jan-18 / 2018-Jan-08 to 2018-Feb-06
- Air time: Wednesday & Thursday 0:00 / Monday & Tuesday 21:00
- Original Soundtrack: My First Love OST
Despite the passing of ten years, a math teacher is unable to forget his first love. He slips backwards in time to confront his past self and get a second chance at love. --Hancinema
- Main Cast
- Lee Jung Shin as Kang Shin Woo (28)
- Seo Ji Hoon as Kang Shin Woo (18)
- Lee Yul Eum as Han Ji Soo (18)
- Supporting Cast
- Lee Joo Hyung as Choo Geun Duk
- Lee Sang as Ki Wan
- Jo Seung Hee as Baek Na Hee
- Song Ji Hyun as Kang Shin Hee
- Min Do Hee as Jang So Ra
- This is a pre-produced drama.
- First script reading took place at SBS Prism Tower in Sangam, South Korea.
- Filming began August 2017 and finished October 2017.
- Initially the drama was planned to air and produced by SBS Plus. However, OCN bought it to air instead.