Unlike many rom-coms that drag out the "will-they-won't-they," this manga starts with them already together. The progress is found in their emotional intimacy and small domestic victories, like cooking together or going on "dates" within their home.
At Chapter 11, the story has firmly established its identity as a low-stakes, high-sweetness domestic comedy rather than a dark fantasy. Here is a proper breakdown of the series as of the latest chapters:
The core appeal is Helvi’s personality. She is a terrifyingly powerful entity, yet she is completely smitten with Theo. Watching her switch from a menacing devil to a blushing bride is the series' biggest draw.