All 12 episodes from the first season of the Japanese anime based on the light novel series by Yukiya Murasaki. One day reclusive gamer Takuma Sakamoto (voice of Masaaki Mizunaka) wakes up in another world with the appearance of his gaming character the Demon King, Diablo. In this realm he has been summoned by two female characters, Shera L. Greenwood (Yuu Serizawa) and Rem Galeu (Azumi Waki), who want to use him as their slave. However, their spell does not work out as intended and instead they find themselves bound to Diablo. In an attempt to free the girls from the spell, Takuma continues to inhabit his new role and must adapt to his new existence as the fearsome Demon King if their freedom is to be realised. The episodes are: 'The Demon Lord Act', 'The Strongest Newcomer', 'Fallen Assault', 'Point-Blank War Dance', 'Imperial Knight', 'Slave Market', 'Change of Heart', 'Hero's Charge', 'Holy Knight Tale', 'Demon Lord's Resurrection', 'The Young Girl Awakens' and 'Battle for Legitimacy'.