[Rias]

Originally Posted by Jan-Poo

Spoiler for ep4:

Wild theory:

Supposing that this new girl is really Maria's rose

Then maybe that hand really is Kinzo's hand. Why?
Because Kinzo's body was buried in the rose garden! @_@

In other words Maria's sick rose is marking Kinzo's resting place.

...and someone dug him up and burned him in the incinerator?