The Most Heretical Last Boss Queen: From Villainess to Savior Novel Volume 8 was written by Tenichi with art by Suzunosuke.

Amid a peaceful postwar era unheard of in the original otome game, Princess Pride's eighteenth birthday arrives. During the celebrations, the queen makes a shocking announcement: Pride and her sister officially have their marriage candidates! Each princess has three potential fiancés whose names have yet to be revealed - and their future husbands are among the party guests! Which lucky bachelors are to vie for Pride's hand in marriage, and who will she choose?