*coughs*

The Curse of Christmas
Badass
Not on here but on b a t o
Teach Me More, Incubus - Susu
The Gentleman’s Demon - Miyuli (also has a cute ghost one)

https://www.mangago.zone/read-manga/oneness/
This is a Chainsaw Man doujinshi but it has what you’re looking for (I went in blind and was taken aback by shock)

Thank you! (≧∀≦)

Oo thank you!! (Love this artist btw) (๑•ㅂ•)و✧