I think it is still fine if Jiwoo decline the invitation but out of courtesy it'll be polite for her to appear in that contest though she could not sing or for never ending one drama. But I could not understand why NHK is persistent by pushing Jiwoo to appear representing this padrticular drama only while she has so many other dramas and so many eligible co-stars to accompany her. It is not fair to ask Ji Woo alone to appear while the other half is pronounced indisposed. If I'm not mistaken this show is to appear in pair. Who will pair with her? I think Park Yong Ha should go together with her since he could sing well and he is not a fussy guy.