There seems to be a little confusion - at least within the Japanese fandom and press - about Daisuke's role in the Poème piece of Ice Legends
Although it is written nowhere and Stéphane never mentioned that during the press conference, when asked by a Japanese reporter who worked for a local Swiss TV, Stephane explained that Daisuke is a very special friend for Stephane and that Carolina is jealous of their relationship and asks him to choose betwen her and his friend.