Towa is Astarte’s clumsy and timid work partner. She works as an undertaker, but also takes courses in a correspondence school (though she is terrible at it and often fails her grades). She looks up to and respects Astarte, and always tries to be useful to her.
Later in the series, it is revealed that Towa has amnesia and does not remember her home, her parents, or her previous life at all. She lived in a hospital, and although the doctors said she was cured she still didn’t regain her memory. One day, Astarte suddenly appeared before her and said, “Come with me”, which led to Towa’s employment at the Cradle Last Trust.
Even though she denies it at first, Towa cares deeply for Astarte and becomes jealous when other girls, namely Linna, are friendly with her. Eventually, she realizes that she is in love with her.