Boku no Seinen Kouken Nin

Kouichi is busy entertaining clients for his father's company when he suddenly learns that the cruise ship his father was on has run straight into a hurricane. Now without a family or a cent to his name, he is constantly hunted down by loan sharks. At the height of his depression, Kouichi prepares to take his own life.

An unexpected visitor knocks at his door, carrying his father's will and a marriage contract. Kouichi must navigate this strange new arrangement while dealing with the debt and the loan sharks closing in on him.