At a large stationery company, Suzuno toils to settle her family's debts. However, everything changes when Watakai, the company's successor, discovers her situation. Offering a solution, he proposes a deal: marry him, and he will clear her debts. Tentative at first, Suzuno finds herself entangled in a charming marital journey. Clueless in matters of the heart, Suzuno's innocence unknowingly fuels Watakai's growing possessiveness. Will their unconventional bond lead to unexpected revelations?