DNA Lover: Season 1, Episode 13

1 - 13: Regrets

After getting advice from A-ri, Kang-hoon decides to make So-jin's heart race for him so she can see him as a man. Yeon-woo visits Tree Orphanage which his dad sponsored for 20 years and meets Father Andrea there. Meanwhile, So-jin ends up going to volunteer work with the entire Sim Hospital staff and meets Yeon-woo for the first time after their breakup.