Brother's Best Friend

I wasn't staring."

"Sure you weren't."

When Lee Sujin's brother invites his best friend, Ni-ki, to stay at their house for the summer, her peaceful life is turned upside down.

He's attractive, arrogant, and way too good at getting under her skin.

Sujin is determined not to like him.

After all, he's her brother's best friend.

But as the line between teasing and flirting begins to blur, keeping her distance becomes harder than she ever imagined.