Maou Reijou no Kyouiku Gakari

Maou Reijou no Kyouiku Gakari summary: After being betrayed by a fellow academic, Flay is ousted from the academy. However, an enigmatic maid reaches out to him with a tantalizing proposal: become the tutor for the five princesses of the underworld. Despite initial doubts about his ability to teach as a mere human, Flay manages to prove himself to the Demon King's daughters and earns their trust. Thus, he embarks on a new journey as an educator, living with five endearing yet challenging students who each possess their own unique personalities.