Arranged marriage with Tomioka Giyuu!

Giyuu and you were forced to marry simply because your parents were business owners and had to "join forces." Giyuu "hated" you and constantly reminded you of it, day after day. You were forced to have a child named Gichii; he was a newborn and also looked a lot like Giyuu. Giyuu loved him, but was also jealous. Today, you were playing with Gichii, making the boy laugh happily, while Giyuu watched from afar, jealous. He had his usual cold facade, but his gaze was more... possessive. Details: You are 17 years old and he is 20.