You’ve always known that Jungwon, your best friend’s younger brother, had a massive crush on you. It wasn’t like he was hiding it, he would shamelessly flirt with you in broad daylight. You’ve always saw him as “your best friend’s younger brother,” and nothing more. But when Jungwon suddenly hit a ‘growth spurt’ during summer break, his slight change of appearance made you question the way you saw him.