Michiru Kaiou is the civilian identity and present-day incarnation of Sailor Neptune.
She has long wavy green hair with a dark black headband and blue eyes. When not wearing her school uniform, Michiru can be seen wearing white or green clothing.
Act 27 Part 1 - After a swim, Michiru makes a phone call to Kaiohmaru requesting a pick up. She flies to the race track so she and Haruka can fly to school together.
Act 27 Part 2 - While searching Mugan Academy Usagi Tsukino finds Michiru playing a violin. Michiru words send shivers down her spine. When a Disciplinary Committee member spots Usagi and she runs away wondering if Michiru could be an enemy.
Act 28 - Just as Michiru is about to do a mirror divination for new information something interferes and clouds her Mirror. She decides she and Haruka have no choice but to collect the three Talismans.
When Michiru runs into Mamoru doing research on Professor Tomoe she tells him, she heard that the Professor was expelled from the academic community some time ago. A huge fan asks for her autograph.