Karena acted as a woman with high IQ in the movie and took the chance to praise her boyfriend, Raymond Lam (林峯) was very smart: "In fact, Raymond's IQ is higher than me and I have a male like character. For example: I go to the toilet quicker than actors." When mentioned about filming with Lee Min Ho and Wallace Chung (鍾漢良), Karena disclosed Min Ho loved to call people as 'silly' and tried to speak in Mandarin during filming initially, but changed to Korean language as lack of fluency. She also praised Wallace was humorous.
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