Dullahan-chan Is Head Over Heels - Vol. 1 Ch. 1.5 - Chapter 1 Beforehand

[MangaDex]

 

[Mieglen]

Wait, is the father the dullahan? The mother? Or both?

 

[WarmAugust]

There is quite the lack of carefullness with her head

 

[SilentWInd]

Are either of her parents dullahans? Neither seem to have a neck sever line.

 

[olivetho]

Wait, is the father the dullahan? The mother? Or both?

Are either of her parents dullahans? Neither seem to have a neck sever line.

could it be that being a dullahan is a genetically recessive trait? as in the same way that brown eyed parents can still have a blue eyed kid.