Michiru Kaiou, also known as Sailor Neptune, is a fictional character from the anime series Bishoujo Senshi Sailor Moon. As a graceful and talented violinist, Michiru possesses a calm and elegant demeanor, often reflecting the ocean's tranquility. She is one of the Outer Sailor Guardians and plays a crucial role in protecting the Solar System from external threats. Alongside her partner, Haruka Tenou (Sailor Uranus), Michiru exhibits a strong sense of duty and commitment to their mission. Her powers are associated with the sea, and she wields the Deep Aqua Mirror, which aids in revealing the truth.