追い出された婿、冥界の大物だった

"Kyle Hubert, an executor from the Underworld, agrees to Old Mr. Carter's dying request: marry into the Carter family under contract and protect them for three years.Despite his silent guardianship, the Carter family treats him with contempt and betrayal, ultimately expelling him just as the protection period ends. When the Carter family faces deadly calamity once more, they finally learn the truth about Kyle’s sacrifices and desperately beg him to return."