Ichiro Satomi (里美一郎) from Warlords of Sigrdrifa (戦翼のシグルドリーヴァ)
https://civitai.com/models/559309/ichiro-satomi-warlords-of-sigrdrifa
Prompt: Ichiro Satomi, black hair, short hair, black eyes, (light facial hair), light mustache, military uniform, white shirt, short sleeves, rank slides, khaki pants, black socks, black shoes
Negative prompt: ((thick mustache)), white mustache