I stumbled onto 'Moonlight Fantasy' after burning through too many isekai series that felt the same. The main draw for me wasn't just the overpowered protagonist, but the weird little family he builds. Satoru, the salaryman reborn as an ancient vampire, anchors everything. His dynamic with the wolf-girl Fenrir is the heart of it—less master and servant, more a grumpy dad and his fiercely loyal, feral daughter. Then there's the dragon lady, Sara, who brings this ancient, weary perspective that clashes with his modern logic.
Honestly, the side characters sometimes steal the show. The elf archer, Lyra, has a whole tragic backstory that actually gets followed up on, which is rare. And I have a soft spot for the golem, Gole, because its silent, literal interpretations of orders cause the funniest misunderstandings. The cast feels like it's actually growing and changing, not just standing around to make the MC look cool.