Koume

A mechanic who runs a junk shop. She a master craftsman with a tiny body. She often protects the protagonist from the scolding's of Miyuki and Ureshiko.

She inherited her remarkable skills from her grandfather, who was a mechanic of such skill that he received direct orders from the government. She is the most skilled mechanic in the local area, and receives a wide range of requests due to her good-natured personality.

Koume is the only person capable of maintaining the protagonist's and Ureshiko's aircrafts.

She has a small crush on the protagonist. She's self-conscious of her size, and she admires Miyuki. She's working hard on polishing her feminine charms.