Artistes Joel Chan and Grace Chan accepted an interview from a radio station.
When asked why Scholar who walks the night, broadcasted by ViuTV, was similar to the Blue Veins series, Joel replied that there were differences between Hong Kong and Korean dramas.
"Will tell Ng Yip Kwan to remove more tops if the ratings are good," he said.
He was also asked about rumours that he was accused of taking revenge on old love Florinda Ho.
She reportedly dumped him by giving a fake hint that he wanted to reconcile with her. He subsequently announced his relationship with Apple, from another industry.
Joel felt that it was very weird and resembled the scene in the Blue Veins series. He also said the news was fake: "I do not want to affect others due to this news.
He was asked if this affected his relationship, to which he said "Nope. The people surrounding me understand my personality."
When reporters asked if he remained in contact with Florinda Ho, Joel rejected to reply.
According to Asian E-News Portal, when asked if he was worried about affecting his image, Joel said: "My relationship with Florinda ended three years ago and it will not disappear suddenly in the future. Anyway, I will try to work very hard now."