Ghost Signal

Hearts and Hari (Korean: 연애공식 구하리) is a South Korean web series, starring Park Ji-ye and Hyunjun. It is a sequel to the 2018 series Remember, Hari. Where the game was released called Ghost Signal on December 12, 2019, on Android and January 9, 2020, on iOS, published by RHAON. And later aired on Tooniverse and YouTube on January 17 to March 21, 2020, every Friday at 5:00 and 9:00 (KST).