Yui Matsunaga

Yui Matsunaga (松永唯 Matsunaga Yui) is the daughter of Hisahige Matsunaga and the ninth wife of Wendelin von Benno Baumeister.

Personality
According to Wendelin, she has a lonely image at first glance, but, when talked to, she is very friendly and able to chat about a variety of interesting topics.

She would talk to Wendelin and laugh at Erwin's jokes, she, apparently, has a very attractive smile.

Wendelin was wery of her, as she is a woman, but, since she didn't try to seduce him, he felt relieved having her at his side.

Background
Yui is the daughter of the Matsunaga's clan head, Hisahige Matsunaga. She was kept at Wendelin's side at the excuse of being his caretaker.

Abilities
Yui is not able to use magic, but she is pretty capable. She was able to do a lot of work while keeping in touch with Yuki.

Etymology

 * Yui's surname Matsunaga means "pine tree, fir tree" (松) (matsu) and "eternal" (永) (naga).