Kim Na-Young is referred to by name in chapter 36 when she pairs eith Kang Han-Gyul to walk through the woods in a test of fear.

Na-Young is revealed to wear Sherlock Holmes panties when Han-Gyul trips and pulls down her shorts. Although she blushes, she see,s to recognized the mistake and not chastise him for being a pervert.

In spite of this delay, she has appeared from the start and has a short haircut. Similar to Yang Miri but without the antennae in the center.

In chapter 33 she has a chest measured 85.3cm.

This makes he friend with the black hair tied to the side of her head jealous (who only got 83.2cm) and accuses her of stuffing her bra.