Yuki

Yuki technically doesn't have a last name, but she's a sexaroid by designation (a throwback reference to character creator's earliest work of the same name, and a term for the kind of robotic humanoid she's a part of.) She's the medical officer for Sirius Platoon. Her behavior doesn't really give away her robotic origins, but for a good part of the first season, she doesn't really consider herself much like a human, thus avoiding some human mannerisms like socializing, instead choosing to live solely for her duty a…