Sumi-gomori no Sumijo Maou wa Saikyou Juusha ni Koikogaremasu
スミごもりの炭女魔王は最強従者に恋焦がれます
A human student named Sumi studies at a magic school in the human world when a demon realm servant suddenly appears and declares him a new servant of the demon queen. A romantic comedy unfolds between the queen and her new servant, as emotions develop between them.