Ranze Eto is the main character in the anime series Tokimeki Tonight. She is a high school student who comes from a unique family where her father is a vampire and her mother is a werewolf. This unusual heritage grants Ranze a variety of supernatural abilities, including the power to transform into anything she bites. Throughout the series, she navigates the challenges of teenage life while keeping her abilities a secret. Ranze's main role is to tackle comedic and romantic adventures, often centered around her crush, Shun Makabe.