1st grade Armed Librarian, and one of the five strongest armed librarians. He usually wears a black suit and a black top hat. He is a calm person and always known by people as a liar. He used to have a relationship with Hamutz, however, Mattalast has many ladies with him, too.  His main weapon is firearms. He bears a pistol and a rifle, which is as powerful as a tank cannon.  His magic ability is to foresee a short-period of time in the future, which he can use to predict the action of the enemy and begin to attack or evade.

In a world where dead people turn into books and are stored in the Bantorra Library where anyone who reads a book can learn their past, Bantorra Library is maintained by Armed Librarians who wield psychic powers and their enemy is a religious society known as Sindeki Kyoudan. 

[Profile](https://mausu.net/talent/okawa-toru.html) | [Wiki (en)](https://en.wikipedia.org/wiki/Tōru_Ōkawa) | [Wiki (jp)](https://ja.wikipedia.org/wiki/大川透)

He is an actor, voice actor and narrator. He is currently affiliated with Mausu Promotion. He is a Hanshin Tigers fan. His "Kojirou" alias is not to be confused with [Akito Sakuragi](https://anilist.co/staff/125572)'s alias (they have different kanji at the end).

Mattalast Balory