Ma Sang Goo is friends with Se-hee since college and CEO of the company where he works.
Appearances
Because This Is My First Life
Main cast, played by Park Byung Eun
- Episode 1x01: Because This is My First Time Being Thirty (Oct 9, 2017)
- Episode 1x02: Because This is My First Kiss (Oct 10, 2017)
- Episode 1x03: Because This is My First Proposal (Oct 16, 2017)
- Episode 1x04: Because This is My First Marriage (Oct 17, 2017)
- Episode 1x05: Because This is My First Promise (Oct 23, 2017)
- Episode 1x06: Because This is ''Our'' First Time (Oct 24, 2017)
- Episode 1x07: Because This is My First YOLO (Oct 30, 2017)
- Episode 1x08: Because This is My First Husband (Oct 31, 2017)
- Episode 1x09: Because This is the First Time I Belong Somewhere (Nov 6, 2017)
- Episode 1x10: Because This is My First Time Having In-Laws (Nov 7, 2017)
- Episode 1x11: Because It is the First Time for Today's Ocean (Nov 13, 2017)
- Episode 1x12: Because This is My First Desire (Nov 14, 2017)
- Episode 1x13: Because This is My First Time Visiting Your Room (Nov 20, 2017)
- Episode 1x14: Because This is My First Confession (Nov 21, 2017)
- Episode 1x15: Because This is My First Intermission (Nov 27, 2017)
- Episode 1x16: Because This is My First Life (Nov 28, 2017)