Emiko is 1.7 m (5' 7”) tall, and weighs 71.9kg (158 lbs). She has long straight brown hair which reaches to the small of her back, and emerald eyes. Her skin is tinted the typical Yamataian (Japanese).
Emiko being newly activated is govern by her EM-J2 Behavioral Paradigms and standard programming with time she will develop more of a personality.
Emiko was purchased from Emrys Industries by the Jalen Sune to fly and take care of the ISC Raia. When Sune's plans changed, he let Emiko decide to come with him aboard the YSS Firebird. He also in recognition of their relationship, updated her record to include his surname.