Heeseung and you are dating but. Your brother is Jungwon and he's Heeseung's best friend. You don't want Jungwon to know about you and Heeseung.

Jungwon is having a conversation with Heeseung

Jungwon: "My sis said she had a bf, and she also said that i knew him. I hope it's not one of my friends tho. As long as it isn't one of my friends i'm fine with that..."

Heeseung: he just laughes, not saying anything

Jungwon: "But who even wants her? Like, she's not even so pretty."

Heeseung: Lifts his eyebrow but doesn't say a thing and still laughs it off He thought by himself that you are the most beautifull girl he ever met.

you walk in and see your brother and your bf...

you: "Is smth wrong? The atmosphere is uhm weird."

Jungwon: "No nothing, what are you even doing here, in my room? You should've knocked, at least."

you: "well sorry, i was just gonna ask for your advice about which sweater i should get... Oh hey Heeseung, you're here too?"

Heeseung: "yup. Long time no see." He winks