2016
16 eps
MBC
Romance Comedy Sports
A college weightlifter navigates love, friendship, and dreams alongside a swimmer at a sports university.
Like Twenty-Five Twenty-One, it leans hard into friends to lovers. The emotional territory — youth and first love — is the same. Same youthful energy throughout.
2012
16 eps
tvN
Romance Comedy Drama
Six friends navigate high school in Busan in 1997 — the height of the first K-pop idol wave — while a flash-forward wedding reveals that one of the men in the group married one of …
Both navigate the same emotional territory: first love. The pacing is wrapped in a nostalgic warmth that feels earned rather than manufactured.
2013
21 eps
tvN
Romance Comedy Drama
University students from across Korea share a boarding house in Seoul during 1994, while a future-flashback teases which of the men the central female character eventually marries.…
Both navigate the same emotional territory: first love. The pacing is wrapped in a nostalgic warmth that feels earned rather than manufactured.
2019
12 eps
Netflix
Romance Sci Fi Drama
In a world where a smartphone app alerts you when someone within a 10-metre radius is romantically in love with you, a high school girl with a complicated home life becomes the cen…
Like Twenty-Five Twenty-One, it leans hard into bittersweet ending. Same youthful and emotional energy throughout.
2025
16 eps
tvN
Medical Drama Romance
Five first-year medical residents at a major Seoul hospital navigate the brutal learning curve of actual practice — the gap between what they were taught and what emergency medicin…
Both navigate the same emotional territory: first love. The pacing is emotionally heavy — you'll need to sit with it after.
2019
12 eps
JTBC
Romance Fantasy Drama
A young woman gains a watch that controls time and uses it to help others, but each use costs years of her own life.
Like Twenty-Five Twenty-One, it leans hard into bittersweet ending. The pacing is emotionally heavy — you'll need to sit with it after.
2025
16 eps
Netflix
Romance Drama Historical
Set in the tangerine orchards of Jeju Island, two people fall in love across multiple decades — from the 1960s through the present. A sweeping, multigenerational saga about ordinar…
Like Twenty-Five Twenty-One, it leans hard into bittersweet ending. The pacing is wrapped in a nostalgic warmth that feels earned rather than manufactured.
2023
16 eps
tvN
Romance Drama Fantasy
Eun-gyeol is a CODA (child of deaf adults), growing up communicating between two worlds. When he stumbles through a music shop and finds himself transported back to 1995, he meets …
The pacing is wrapped in a nostalgic warmth that feels earned rather than manufactured.
2012
20 eps
JTBC
Romance Comedy Drama
Four men in their early 40s — childhood friends who've stayed immature in love — navigate romance, heartbreak, and growing up alongside a high school ethics teacher who won't give …
Like Twenty-Five Twenty-One, it leans hard into age gap. The pacing is wrapped in a nostalgic warmth that feels earned rather than manufactured.
2024
16 eps
KBS
Romance Drama Sports
A former Olympic boxer who was manipulated out of gold and into financial ruin is recruited by a sports agency's new money manager — who herself is trying to survive a company rive…
The pacing is emotionally heavy — you'll need to sit with it after.