One Temptation

They grew up together. It was always the three of them. Kennedy, Mack, and Cooper were the best of friends. Mack and Cooper were brothers with only a year and a half difference between them, but Kennedy was like their sister. She was Mack's age. Their mothers were best friends and pregnant at the same time. They said they'd always be friends. They agreed to never let anything tear them apart. That was until high school. That was until she came along. That was until he became popular and he seemed to forget about the promises he made his best friends. But did he forget all of the promises? Or would he keep one?