My Lover's Secret(2017)

My Lover's Secret is a Japanese drama series following Rei Okumori, a law student harboring a dark past. Eight years before the story begins, Rei killed his abusive father to protect his mother Akiko. Together they buried the body in their yard and fabricated his disappearance, keeping the crime hidden ever since. Now pursuing his dream of becoming a lawyer, Rei meets Sawa Tachibana, an ambitious law school peer determined to become a public prosecutor. The two fall in love, and Rei envisions a future with her. But his carefully constructed life unravels when mysterious messages arrive from someone who knows the truth about his father's death. As Rei's secret threatens to surface, he must navigate the collision between his hidden past and his hopes for an honest future.