Hiyomu

Hiyomu (ひよむ, Hiyomu) is responsible for introducing Haruhiro and the others to Brittany and to the city of Alterna.

She is Ainrand Leslie's disciple, she is the one doing the manual work when a new batch of futur volunteer soldier is "capture", giving them the memory-erasing drug.

Personality
Hiyomu has an outward peppiness and energy, but talks in a third person speech. In the Leslie Camp, she seems really pleased to be called a beautiful woman. When doing her true job with for Ainrand Leslie, she still has the same energic and funny personality, but she doesn't seem to really care for other people and have no problem erasing other memories.

Level. 1 Whisper, Chant, Prayer, Awaken
She appears once, taking Haruhiro 's group of newcomers from where they came to Grimgar, to the city of Alterna. Based on what she says, it is suggested this is a regular occurrence. After escorting the newcomers, she is dismissed by Brittney.

Level. 13 Heart, Open, A New Door
She is the one who welcomes Haruhiro's party and Kejiman in the Leslie Camp

Level. 14 Parano-mania
She appears before Haruhiro in a strange room after he crosses Door to Heaven and are "capture" by Ainrand Leslie, she is the one who gives the memory-erasing drug.

Trivia

 * Hiyomu appears in both Light Novel and Manga versions but is never mentioned in the anime.