Summary
Taekin, a high school outcast, and Heechan, a busy adult businessman, are both hospitalized after a car accident. After the crash, Heechan discovers that he now inhabits Taekin’s body from 7 a.m. to 7 p.m. every day—a bizarre time-share of identity. Determined to fix this strange phenomenon, Heechan starts attending Taekin’s school in his body, trying to uncover the cause of their condition.
As Heechan navigates Taekin’s troubled school life, he encounters people from his own past and begins to unravel secrets that connect them in unexpected ways.