My Bad Birthday
18th birthday present: the death of a beloved friend
machine translated
1 guest appearance
Kim Yi-seo (Ji Hye-min)
Series
Blue Birthday
블루버스데이
“Her first love passed away on her birthday”
2021EndedSouth Korea24 min
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What's it about?
The series tells the story of Oh Ha-rin, who travels to the past through mysterious photos left by her first love, Ji Seo-jun. Since they were eight years old, they had been close friends, but he died by suicide on her birthday ten years ago.
Where to stream?
Rakuten Viki
Checked 08/22/2026 · last check was a while ago · United States catalog · account required.
Available (check outdated)
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These offers belong to each country's catalog and usually can't be watched from here.
Availability data partly provided by JustWatch via TMDB.
Trailers & videos
28살 생일, 죽은 첫사랑에게 소원을 빌었다 [블루버스데이] - TEASER — Teaser · Korean · official · YouTube
Cast
YERI
예리
Oh Ha-rin
16 episodes
Yang Hong-seok
양홍석
Ji Seo-jun
16 episodes
Lee Sang-jun
이상준
Cha Eun-seong
16 episodes
Kim Gyeol-yu
Do Su-jin
16 episodes
Ju Hyeon
Kim Ui-yeong
16 episodes
Kim Yi-seo
김이서
Ji Hye-min
12 episodes
Lee Dong-ju
Kim Sin-u
5 episodes
Min Chae-yeon
민채연
Ha Rin's Co-worker
4 episodes
8 people — scroll sideways
Crew
Director
Park Dan-hee
Writer
Moon Won-young, Ku So-yeon
Episodes
Season 1 — 16 episodes · from 07/23/2021
Page 1 of 1 · Episodes 1–16
You're in My Dream
I met my first love, who died 10 years ago.
machine translated
Lively Ordinary Days
I saw the painful past of a friend who died 10 years ago.
machine translated
2 guest appearances
Kim Yi-seo (Ji Hye-min), Lee Dong-ju (Kim Sin-u)
Rule of Equivalent Exchange
“Why aren’t you by my side...?”
machine translated
1 guest appearance
Kim Yi-seo (Ji Hye-min)
Another Chance
A date with your first love, 10 years later
machine translated
2 guest appearances
Kim Yi-seo (Ji Hye-min), Min Chae-yeon (Ha Rin's Co-worker)
What Happened That Day
"Why did you hide it?"
machine translated
2 guest appearances
Kim Yi-seo (Ji Hye-min), Lee Dong-ju (Kim Sin-u)
It's You, Isn't It?
Finding another way to bring back a dead friend.
machine translated
Crisis
There's something I want to tell you today.
machine translated
2 guest appearances
Lee Dong-ju (Kim Sin-u), Min Chae-yeon (Ha Rin's Co-worker)
Witness
“Were you the culprit?”
machine translated
3 guest appearances
Kim Yi-seo (Ji Hye-min), Lee Dong-ju (Kim Sin-u), Min Chae-yeon (Ha Rin's Co-worker)
If We Have Such A Big Misfortune
Someone changed the past.
machine translated
1 guest appearance
Kim Yi-seo (Ji Hye-min)
You and I
“Where did you go by yourself?”
machine translated
Suspicion
Decisive evidence found
machine translated
2 guest appearances
Kim Yi-seo (Ji Hye-min), Lee Dong-ju (Kim Sin-u)
Abandoned Girl
The cost of changing the past has begun.
machine translated
1 guest appearance
Kim Yi-seo (Ji Hye-min)
Never Regret
This time, I absolutely have to stop the murder.
machine translated
1 guest appearance
Kim Yi-seo (Ji Hye-min)
Disappear
Everything went wrong.
machine translated
1 guest appearance
Kim Yi-seo (Ji Hye-min)
My Blue Birthday
If the photos hadn’t been burned
machine translated
2 guest appearances
Kim Yi-seo (Ji Hye-min), Min Chae-yeon (Ha Rin's Co-worker)
Image gallery
Posters (5)
Stills (5)
Images © their respective rights holders · Source: TMDB