The main heroine of the series, Wako is a member of Midnight Flight, the school's drama club. She is believed to be a "shrine maiden" that can unlock the seal in Southern Cross Island by Glittering Crux Brigade. She likes to eat and has been engaged to Sugata since childhood. She apprivosed with the Maiden Cybody in elementary school but was only told about her status as shrine maiden in middle school. As long as her seal is intact, she cannot leave the island for the rest of her life. She starts to take a liking to Takuto, a new transfer student that is also the legendary Galactic Pretty Boy. Sugata commented that her singing voice is so beautiful that it can make someone fall for her by only hearing it once.