The following Asian Drama Her Smile So Sweet (2020) Episode 15 English Subbed has been released in high quality at Dramacool. Watch And Download Free Korean Drama Her Smile So Sweet (2020) Episode 15 Eng Sub Online Hd Video. Drama Cool will always be the first to have the episode so please Bookmark for update.Xu Jing Shu of second-year class 1 is a cold person who doesn’t talk a lot, and if it weren’t for the teacher constantly sending her out of math class as punishment, she may as well be invisible. That is until the transfer student Chu You Ning shows up. He’s attracted to her candy-sweet smile, so on certain afternoons, one could see the god of studying, Chu You Ning in the upstairs independent study room teaching math to Xu Jing Shu.