Hapi Mari: Happy Marriage?! is a heartwarming josei manga series written and illustrated by Maki Enjoji. The story follows Chiwa Takanashi, a hardworking office lady who finds herself in a difficult situation when her father's business goes bankrupt. To help her family, Chiwa agrees to marry Hokuto Mamiya, the president of a large company, in a mutually beneficial marriage of convenience. However, their relationship takes an unexpected turn when they start developing genuine feelings for each other. Hapi Mari: Happy Marriage?! explores the challenges and joys of marriage, as Chiwa and Hokuto navigate their way through misunderstandings, family drama, and the pressures of society.