"Freshman season" Cecilia Boey and Mark have an unusual relationship. When GOT7 was practicing in YJP, Cecilia Boey worked with him, so they knew each other. As for boyfriends and girlfriends, the photos taken with Jackson Wang ((Jackson Wang)) and Mark Tuan (Mark Tuan) only show that they are friends, not the relationship between men and women.

Cecilia Boey, the auditor of the freshman season, left a deep impression on David, Mabel Yuan and other teachers, especially the dance was quite good. Cecilia Boey's personal data was deleted and her family background was unusual. Weibo revealed that she was an intern from the Korean Wave who had studied in JYP for many years, and had an unusual relationship with GOT7 member Mark Mark Tuan, who was the MV heroine of Song of GOT7. Therefore, Cecilia Boey Mark Tuan told an anecdote.