User blog comment:Hayashi H/Side View Kanmusume/@comment-25730832-20160117185919

Houshou, Fumizuki and Ayanami also make sense to a certain extent:

Houshou -> Drop out -> So old ver. she didn't participate in fighting.

Ayanami -> Unlucky -> Lost her way during night time and need to fight enemy alone. Got rekt.

Fumizuki -> Guidance -> Church of Fumizuki -> Nuff said.