Angel's Last Mission: Love (2019)

S1E5 Yeon Seo Gets to See Dan's Wings

Yeon Seo catches a glimpse of Dan's wings, but misinterprets the sight, believing he's just some creep. Meanwhile, Kang Woo enters Yeon Seo's home, leading Dan to suspect him as the wrongdoer. Later, on his way back, Kang Woo runs into Ni Na, and they decide to have dinner. While they’re eating, Ni Na excuses herself to the restroom, and Kang Woo soon realizes she’s actually gone to vomit the meal she just consumed.