@ryuu3rs cause they're two separate adaptations by two different artists in two different genres at two different publishing companies that happen to be running concurrently one day apart.
So this covers the period after "Dahliya Wilts No More" huh? Well, fuck Tobias, he shouldn't have gotten the house. Or at least not until he's able to pay off the money he owes Dahliya (if he owes her, I believe he owes 50 gold but I might have just read too fast to actually register the words)
Damnit! This one was bloody awesome! I seriously hope they continue making this adaptation! I'm rather terrified to read the other adaptation for fear it won't measure up! This one definitely deserves a 10!
Both adaptations more or less tell the same story, just with a focus on different details. For instance, Dahlia Wilts No More better covers Dahlia's younger years, including how she came about with her inventions and how she became Scumbag Tobias' fiancee. However, as of its current scanlation it does also cover the annullment of the engagement, which this particular manga covered in Chapter 1.