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Season 1
16 episodes
1. Because This Is My First 30th Birthday

1. Because This Is My First 30th Birthday
30-year-old Ji-ho becomes homeless. Se-hui, a burdened homeowner, needs rent. Through Ho-rang, Ji-ho moves in, thinking Se-hui is a woman until…
1h
Oct 8, 2017
2. Because This Is My First Kiss

2. Because This Is My First Kiss
After a first kiss with a stranger, Ji-ho learns he's her landlord. Homeless again, she and Se-hui regret they can't live together due to gender.
1 h 8 min
Oct 9, 2017
3. Because This Is My First Proposal

3. Because This Is My First Proposal
Ji-ho accepts Se-hui's proposal, then recoils. He apologizes, confusing her. At a work event, Su-ji meets Sang-gu, who recalls a night she can't.
1 h 1 min
Oct 15, 2017
4. Because This Is My First Marriage

4. Because This Is My First Marriage
Ji-ho and Se-hui start a 2-year cohabitation plan, pending her parents' approval. Ho-rang hints marriage to Won-seok via talk of a sofa.
1h
Oct 16, 2017
5. Because This Is My First Promise

5. Because This Is My First Promise
Ji-ho and Se-hui announce marriage, visit his family, ease tension with his father, and agree marriage should be efficient, skipping the wedding.
1 h 2 min
Oct 22, 2017
6. Because This Is "Our" First Time

6. Because This Is "Our" First Time
Ji-ho tears up over her mother's letter as Se-hui holds her hand. They walk the aisle. Ji-ho feels warm inside. Su-ji meets Sang-gu at the wedding.
1 h 3 min
Oct 23, 2017
7. Because This is My First YOLO

7. Because This is My First YOLO
Ji-ho gets a job at YOLO Café with Bok-nam's help. Bok-nam says "so what" about her marriage. Se-hui sees them, grows uneasy, tension rises.
1 h 8 min
Oct 29, 2017
8. Because It's My First Time Being a Husband

8. Because It's My First Time Being a Husband
Se-hui finds Bok-nam on an app report list, urges Ji-ho to quit, but she responds coldly. Sang-gu acts as if he's dating Su-ji, sparking rumors.
1h
Oct 30, 2017
9. Because This Is My First Time Belonging Somewhere

9. Because This Is My First Time Belonging Somewhere
Se-hui rescues Ji-ho from Bok-nam. They grow closer. At a school meetup, Ji-ho, Su-ji, and Ho-rang discuss marriage. Ho-rang is provoked by Won-seok.
1 h 9 min
Nov 5, 2017
10. Because This Is My First Time Having In-laws

10. Because This Is My First Time Having In-laws
Ji-ho admits her feelings for Se-hui but freezes when his mother visits. Sang-gu is happily dating Su-ji, but is frustrated by her conditions.
1 h 6 min
Nov 6, 2017
11. Because This Is My First Beach

11. Because This Is My First Beach
Se-hui takes a day off for in-laws' kimchi duty. In Namhae, he's overwhelmed by labor and dialect. Su-ji confronts her coworker over a braless bet.
1 h 12 min
Nov 12, 2017
12. Because This Is My First Desire

12. Because This Is My First Desire
Ji-ho and Se-hui return home after their first kiss. Ji-ho feels a new desire. Ho-rang and Won-seok sense cracks. His confession devastates her.
1 h 9 min
Nov 13, 2017
13. Because This Is My First Time Visiting Your Room

13. Because This Is My First Time Visiting Your Room
Ji-ho lies in bed with Se-hui and flirts playfully, making him tense. Won-seok's breakup with Ho-rang is revealed. He goes to meet her, determined.
1 h 16 min
Nov 19, 2017
14. Because This Is My First Confession

14. Because This Is My First Confession
Ji-ho sees Se-hui and Jeong-min together. Ji-ho mentions her husband to Jeong-min the next day. Su-ji demands an apology from Mr. Park.
1 h 15 min
Nov 20, 2017
15. Because This Is My First Intermission

15. Because This Is My First Intermission
Se-hui accepts the marriage contract ending and is hurt by Ji-ho's tears. He faces his father. Won-seok sees Ho-rang and Yeong-hyo at a restaurant.
1 h 18 min
Nov 26, 2017
16. Because This Is My First Life

16. Because This Is My First Life
Yeong-hyo confesses to Ho-rang, Bo-mi to Won-seok. They reflect on 7 years and wonder if they'll move on. Sang-gu targets Mr. Park.
1 h 22 min
Nov 27, 2017
















