She is the most elegant and sophisticated of all the Sailor Senshi.
Her dream is to become one of the finest violinist (episode 106).
She also loves to draw, and her paintings are: Space (episode 93), End of the World (episode 106), Haruka's portrait (episode 106), Mermaid (episode 107).
Michiru lives with Haruka in an apartment that has a swimming pool and an aquarium (episode 110).
She owns with Haruka a helicopter.
As Sailor Neptune, she protects the world from the attacks in the Outer Space.
She was reborn in this planet after the destruction of the Silver Millenium with Sailor Uranus and Sailor Pluto.
Her mission (with Sailor Uranus) is to find the three Talismans and the Messiah who will save the Earth.
Later on her mission with the Outer Senshi is to kill Sailor Saturn before she destroys the world.
Finally she adopted with Haruka the reborned baby Hotaru.