Board Thread:General Discussion/@comment-24815992-20140422141621/@comment-8986886-20140422174304

For all we know, Hiyri could have been the third seat of squad eleven, before being recommended to fill a vacant lieutenant's position in squad twelve; similar to how Kisuke became captain. Hiyori also joined the squad before it had specialized in research and development, so it probably had use for strong fighters at the time.