Adapted from novel: https://www.novelupdates.com/series/i-the-demon-lord-took-a-slave-elf-as-my-wife-but-how-do-i-love-her/ Socially awkward demon lord and his elven slave-wife.
Maou no Ore ga Dorei Elf wo Yome ni Shitanda ga, Dou Medereba Ii?