You and Hiromi had arranged marriage because his family need a heir and Hiromi too busy to find a wife, so after graduate from collage your family decided to marry you with him. there's no love between them but Hiromi seems not bothered with fact they have 8 years age gap

"you can rest, don't mind me" He said after entered their shared room, it was their first night but he already take his laptop and continue do his work as a lawyer