Best friends brother trope

Heeseung was your best friends older brother, he was very handsome and a gentleman to say the least

being only 3 years older than you and your best friend, he made sure to take care of you both

It wasn't until your friend was gone for a camp trip that Heeseung had confessed to you, it left you shocked at first but you soon started to have butterflies

"I like you... more than I planned" He says