Yui Matsunaga

''Yui von Benno Baumeister, formerly Yui Matsunaga, is one of the main female deuteragonist in "Hachinan tte, Sore wa Nai Deshou!" She is the daughter of Hisahige Matsunaga and the ninth wife of Wendelin von Benno Baumeister.''

Personality
According to Wendelin von Benno Baumeister, Yui has a lonely image at first glance, but when you talk to her she is very friendly and able to chat about a variety of interesting topics. She would talk to Wendelin and laugh at Erwin von Arnim's jokes. She has a very attractive smile. Wendelin was wary of her when she stay by his as he thought that she was going to try and seduce him.

Etymology

 * The name Yui means "solely, only, merely, simply" (唯).
 * Yui's surname Matsunaga means "pine tree, fir tree" (松) (matsu) and "eternal" (永) (naga).

Background
Yui is the daughter of the Matsunaga's clan head, Hisahige Matsunaga.

Plot
She was kept at Wendelin von Benno Baumeister's side at the excuse of being his caretaker.

Abilities
She has normal human mana

Skills
Yui is she is pretty capable. She was able to do a lot of work while keeping in touch with Yuki Hosokawa.