Asaru Vito from video game Assault Spy. He is the male protagonist of the game.
Strength of 0.8 works best, from my experiments.
Prompts:
asaru,1boy,male focus,solo,blue hair,spiked hair,blue eyes,single earring,suit,black jacket,blue necktie,striped necktie,badge,white shirt,collared shirt,blue vest,black pants,black shoes,
Optional: holding briefcase,holding weapon,