Don't show any gaps

When Kang Daniel and Yeoju are dating, they meet a college senior while walking together. Yeoju shows off her vulnerability by talking to him. Then Daniel remains silent for a while, glaring cutely at Yeoju and asking, "What are you, really?" Yeoju: Why? Daniel: Why are you smiling at your seniors? He tells her not to show off her vulnerability. Yeoju: Are you jealous? Daniel: Oh! Because I love you... And then Yeoju...