User blog comment:Azkaamalia22/Predict The Name of This Girl!/@comment-5707992-20160417060111/@comment-5707992-20160417061219

Kiriya (misty arrow) is her surname. Kiri is a given name. An alternate for Kiri is Kasumi which can also mean "mist" although since that is how Yozora's last name is pronounced, Kiri. Plus names have already been recycled in this series.