 If you liked
Seto no Hanayome
|
 ...then you might like
Blood Lad
|
The roles are somewhat reversed but both Seto no Hanayome and Blood involves a normal main character whose life changes after an abnormal day when they meet a supernatural being. From there on, they have a strange relationship in their worlds.
There is a lot of humor and comedy as well as references in both series. In fact, it makes usage of these to entertain viewers. There is hints of romance that is accompanied with humor. Along with that, both series contains supernatural elements that are out of the normal world.