Back to the 80s: My Guide to Winning His Heart

DramaBox synopsis

Harper Stone, an animal husbandry graduate, visits her grandmother's rural inn and stays in her mother's childhood room. There, she discovers a thick notebook titled "The Guide to Winning a Heart." After a freak accident with a falling lightbulb, Harper wakes up and finds herself transported back to the 1980s. Armed with her modern knowledge and the mysterious guide, she begins an unexpected journey to find her Ethan Hayes and rewrite her destiny.