There Is No Coincidences in Life

Three years after their first meeting, Tommy and Jimmy have their own life; Tommy becomes a well known singer, while Jimmy becomes a well known model.
After being paired in Why RU, they still pursue their acting career but somehow being in a different production, makes them have wider network.
Someday, Tommy becomes closer with a co-worker, makes Jimmy realize that their relationship will never be the same when each of them have another person.
What will he do?