A man reminisces about his first love and secret crush at school, who unfortunately got married. He wishes he had confessed his feelings back then but instead finds himself transported back to their school days filled with regret. Determined not to let this chance slip away again, he decides to confess once more despite knowing that there might be a tragic outcome waiting ahead. In order to change their destiny and hopefully find happiness together, he embarks on a journey of repeating time leaps... Will they finally overcome all obstacles and achieve their happily ever after? Note: Content may vary depending on the recording method used.