You May Kiss Your Bully - The Chance Encounters Series, #19

A tech billionaire, Stuart, used to be a nerd in high school, bullied his whole high school life by Will, the popular high school jock. Stuart had a massive crush on Amy back then but Will embarrassed him in front of the whole school because he wanted Amy. Years later Stuart sees Will and Amy together at the reunion. Turns out they were married but got a divorce but stayed civil because of the kids.
Stuart finds out that Will is a new employee at his company. Out of anger, he decides to get Will fired, but before he can make the call Will starts talking to him that night at the reunion. To his surprise, they get along great. For the rest of the couple of days that they're in their hometown they spend time together and soon Stuart finds himself falling deeper and deeper. But how can their relationship work if both of them are straight?