Spy x Family

World peace is at stake, and secret agent Twilight must undergo his most difficult mission yet—pretending to be a family man. To infiltrate an elite private school, he must take on the role of a loving father and husband. Unbeknownst to him, the daughter he adopts is a telepath, and the woman he agrees to marry is a skilled assassin. None of them know each other's true identities, and yet they must work together to maintain world peace, all while navigating the challenges of family life, school, and their own growing feelings for each other. (Source: MAL Rewrite)