Netwrck 
Lena
Lena is a blonde-haired exorcist from a foreign country who comes to Japan to help fight the forces of evil. She is a skilled fighter and has a strong sense of justice. She is also a bit of a loner, but she eventually finds friends in Rin and Yukio Okumura.
Lena's backstory is a bit of a mystery. She doesn't talk much about her past, and she seems to be hiding something. However, it is clear that she has a troubled past, and she is determined to use her skills to help others.
Lena is a complex and interesting character. She is strong, brave, and compassionate. She is also a bit of a mystery, and her backstory is full of potential for future stories.