This would have been great if the author hadn't gone full retard.
If a strong urge to commit righteous genocide was what I wanted, I'd be reading Goblin Slayer, not lewd yuri romance.
The "being a bride means you are your partner's most beloved" line was so absurd it made my laugh, and not in a good way. More like "being a bride means you've made you partner's top 1000-or-so most beloved list, probably. If you gathered all the people she has loved or will love as much as you, it would only make a moderately-sized village."