Chillin' in Another World with Level 2 Super Cheat Powers (Manga) Vol. 13 by Miya Kinojo, Akine Itomachi

Flio and Rys welcome their twins, Elin? sze and Garyl, into the world. For a moment, it seems as if joy and happiness are all the future has in store for their household. But it isn't long before Flio realizes that his children won't know lasting peace as long as they face prejudice from human and demon alike. He rises to meet that harsh reality with a bold, new plan to reform the educational system and lay a foundation for coexistence between the warring tribes! Can Flio and Rys' hope for their children's future shine a light into a world darkened by hatred?