After a crash erases a decade of his memory, a man wakes up to find his former rival claiming they’re lovers—and must uncover the truth behind the relationship he can’t remember.

Episode 1
Childhood Enemies
Mar 17, 2026
Ki Ha-neul wakes up in the hospital after a car accident, suffering from retrograde amnesia that erases his memories of the past 10 years—he still thinks he's 19 years old.

Episode 2
Back to the Future
Mar 18, 2026
Ha-neul continues to feel like a "intruder" in his own life, findng it difficult to treat his former high school rival as his lover.

Episode 3
I love you
Mar 24, 2026

Episode 4
Walking Through Memories
Mar 25, 2026

Episode 5
Day
Mar 31, 2026

Episode 6
Because You Exist
Apr 1, 2026

Episode 7
Nevertheless, Love
Apr 1, 2026

Episode 8
Dawn Sky
Apr 1, 2026