"Reiji is one of the main characters in the Japanese manga ""Married for 120 Days"". He is a successful and ambitious businessman and the husband of the female protagonist, Aoi.

Reiji is first introduced as a confident and authoritative figure, with a commanding presence that demands respect. He is intelligent, resourceful and driven, with a keen mind for business and a willingness to take risks to achieve his goals.

Despite his professional success and apparent self-assurance, Reiji struggles with personal relationships and emotional vulnerability. He can be emotionally guarded and distant, particularly with his wife Aoi, which leads to tension and conflict between them.

However, over the course of the story, Reiji begins to open up emotionally and reveals his more vulnerable side. He becomes more supportive and understanding towards Aoi, showing a deeper level of care and affection for her than he initially let on.

Throughout the story, Reiji faces a number of challenges both professionally and personally, but he remains determined and committed to his goals. He is portrayed as a complex and multi-layered character, whose strengths and weaknesses make him a compelling and dynamic presence within the story.

Overall, Reiji is a crucial character in ""Married for 120 Days"", serving as both a driving force for the plot and a fascinating study of the human condition. His complex personality and struggles with vulnerability make him a relatable and compelling figure, and his presence adds depth and complexity to the story as a whole."