RESSLER, Karen. Akame ga KILL! Writer Takahiro Launches New Matoseihei no Slave Manga. Anime News Network [online]. 2018-12-04 [cit. 2021-12-21]. Dostupné online. (anglicky)
PINEDA, Rafael Antonio. Mato Seihei no Slave Battle Fantasy Manga Gets TV Anime. Anime News Network [online]. 2021-11-19 [cit. 2021-12-21]. Dostupné online. (anglicky)
PINEDA, Rafael Antonio. Mato Seihei no Slave Anime Casts Yume Miyamoto, Mari Hino, Hina Tachibana. Anime News Network [online]. 2021-12-18 [cit. 2021-12-21]. Dostupné online. (anglicky)
MATEO, Alex. Yen Press Licenses Shadows House, Mato Seihei no Slave, Magical Explorer, More Manga. Anime News Network [online]. 2021-12-20 [cit. 2021-12-21]. Dostupné online. (anglicky)
DE LA CRUZ, Bruno. Kurokawa va sortir le manga Demon Slave de Takahiro (Red Eyes Sword). Anime News Network [online]. 2021-12-10 [cit. 2021-12-21]. Dostupné online. (francouzsky)
