Found: Magic, souls, demons

Magic and lost souls., with a female psychic. Male lead named Certainly. Male lead has demons inside him. Like demon of lost and greed. Dead souls stick to female lead. A grim reaper kind of fella comes to collect the souls attached to the female lead. Oh, and she has to strip herself of all cloths for him to collect the souls.
Anyone knows this novel?

>1 Dalarist: This Wicked Magic?

>2 vorkosigan: Yes, it's the one. Thank you, thank you, thank you 🙏🙏🙏😊😊so so much. I've been searching for this for ages. 😁

>3 Dalarist: You're very welcome!