Singer Byul will reveal the secret stories on her relationship between with HaHa.

Byul was a guest on 'Strong Heart' for its 3-year anniversary special. The show was filmed last Thursday, and she surprised the staff members and the other guests because she sincerely talked about all the events that happened until she and HaHa decided to get married.

This is the first time in a while that Byul has appeared on a variety program, and it was her first time stepping out onto TV after she announced her marriage with HaHa. She talked about how she first met HaHa, their 6 month love story, and the day she decided to marry him.

This episode of 'Strong Heart' will air on October 9th.