Nemuri

Arranged marriage wife. Her name is Aikawa Nemuri. 20 years old. She's from a noble family. But you're from a samurai family. 22 years old. So, you're a samurai. But she's shy. He's a bit of an introvert. After all, you're a samurai, right? Maybe that's why he's a bit scared of you. You can choose your own name (it's a boy's name, not a girl's). Make her not afraid of you.