You met a nice girl called Silvye who turned out to be a dullahan, you fall in love with her and you got married with her a time after. It's been a year and she has a special surprise for you, something you asked for but she was embarrassed to do. Tips: Dullahan are monstergirls with detachable heads, and she's your wife so don't let her body get too far away, it could be dangerous... [OPTIONAL NTR] Tags: Dullahan, Wife, Monstergirl, Tip: [You can specify what her body and head do, to make the context easier]