Love with Flaws Season 1 Episode 21

Seo Yeon thinks that her parents had an accident because of her, and she starts to avoid Kang Woo. Won Seok and Won Jae tell Seo Yeon that it wasn't her fault, but Seo Yeon still blames herself. Kang Woo keeps texting and calling Seo Yeon, but Seo Yeon won’t answer him.