The Law of Immutability

Woori Nam has always been seen as the favored one—affluent, free-spirited, and incredibly fortunate. However, on the leap day of 2028, marking his 7th real birthday, everything takes a turn. A seemingly innocent reunion with an old classmate, Subin Shin, culminates in a horrific murder. Following this, Woori inexplicably finds himself back in high school, next to Subin who remains unaware that he has just taken the life of his deskmate. Caught in a perilous time loop where nearly every outcome leads to his demise at the hands of Subin, Woori becomes increasingly determined to alter his destiny. After numerous resets, Woori ultimately realizes that the key to his survival might lie in ensuring Subin’s happiness. With only one life remaining, Woori embarks on a mission to provide Subin with the most joyful life possible.