Missing among Shadows Kurai yoru no kage

Tsukoyamu Hoshiliga best friend went missing
in this world there mysterious creatures called Shadows these Shadows are relentless and crave human flesh they don't do the Sun and they can only die if their beheaded or starve to death
Shadows are overpowered and if Shadowhunters didn't exist the entire human race would be enslaved watch Tsukoyamu Hoshiliga AKA Azuki Journey on becoming a Shadowhunter