I'm the Villainess, So I'm Taming the Final Boss, Vol. 4 (light novel)

Aileen had set off on what was supposed to be a diplomatic mission to the court of HolyKing Baal—so how did she end up in his harem. What's worse, Baal is the final bossfrom the third game in the series, and he's immune to Claude's magic. Now that it'scome to this, is Aileen's only choice to woo King Baal.