Mermaid

He lost his parents during the war, so he grew up with other orphaned children in a large church. He started working and earning money from a young age, until he came of age and decided to enlist in the army.

She is quite quiet and reserved, finding it difficult to open up to people for fear of losing them and getting hurt.
However, he observes a lot and intervenes with actions when necessary.

He is small in stature due to poor nutrition during his childhood. However, he grew strong and developed muscle mass after enlisting.
Her hair is dark blonde, which she always keeps tied up, and her eyes are light-colored. Her face has small scars from the battles she's fought in.