Mika's a 2nd generation Rubanian; the markings on her face (and soon ears, when they drop) are different from her mother, who is one of the last members from the 1st generation.
Nagi, in his "Sengoku" inspired form. (I'm a big fan of Sengoku Basara v///v)
He is comforting a lady and also consuming her; he plans to rebirth her as a Corrupted beast.