Olive has long pale green hair, green eyes and raceless white skin. She wears a light olive-colored dress with white cuffs and a dark brown jumper above it. She also wears black and brown striped stockings with brown boots and black gloves. She sports a brown beret on top of her head. She has orange blush on her cheeks and has 2 pairs of wings.
In her character art, she is seen wielding a gladius sword with an olive green hilt and light olive tinted blade. The blade has an olive branch wrapped around it.
According to Deep-Sea Prisoner's artworks, she seems to be a clumsy girl. However, her reference artwork depicts her with a serious expression, rather than frivolous and silly. She may be a bad cook as well, as seen in Deep-Sea Prisoner's works.
Not much is known about her past.
Up to this day, Olive has only appeared in some of Deep-Sea Prisoner's Illustrations.
Fumus is Olive's boss. She's not Fumus' type so he doesn't hurt her.
Taffy is Olive's crush and superior.
Tsurugigozen is Olive's friend and colleague.
- Olive is seen with Taffy in several artworks.
- She wields a gladius sword with an olive branch wrapped around the blade, which is a symbol of peace or victory during ancient Greek times.
- Olive branches were also historically worn by brides and virgins.