Awkward? Weird? In a gray area? Yes,but not crossing the line.
Neither is the marriage with the crown prince. He's actively avoiding doing anything sexual with his "wife" and everyone (empire,king, him) is in complete understanding that they're just catering to her whims. Will it hurt her feelings? Undoubtedly, but that's the est case scenario.
People should really be upset about the assault ,if they want something fictional to upset about at all. I won't. Because: f i c t i o n. Though it is a view point i had to come to really debate myself ┑( ̄Д  ̄)┍