Hazuki Munakata is a young vampire girl and one of the main characters in the anime series 'Tsukuyomi: Moon Phase'. She initially appears to be cold and distant due to her life as a vampire, but she gradually reveals a more vulnerable and affectionate side. Hazuki escapes from a castle in Germany where she was held captive, and she forms a bond with photographer Kouhei Morioka. Her character arc revolves around her struggle for freedom and her evolving relationships with human characters, particularly Kouhei, who becomes her protector and partner in their adventures.