科戸瀬 イザナ

Izana Shinatose is a Guardian pilot and quickly becomes Nagate's best friend, constantly following Nagate and teaching him about the life inside Sidonia. Izana is a new third gender that originated during the hundreds of years of human emigration into space. They can become either a male or female depending on the other party's gender, or they can have asexual reproduction to make a clone of themselves.