Lovely Runner Episode 1 opened the well-anticipated spell of the swoon-worthy time slip romance K-drama series on April 8. Reserved for the Monday-Tuesday 8:50 pm KST timeslot, the tvN series stars Byeon Woo Seok and Kim Hye Yoon. Kim Hye Yoon and Byeon Woo Seok in tvN's Lovely Runner Kdrama. Lovely Runner Review: Did viewers find the wait worth it …