Seraph of the End Vampire Reign Vol 23

Seraph of the End Vampire Reign Vol 23 by Takaya Kagami. An Action manga rated Older Teen, published in English by Viz Media in 2021.

After a mysterious virus wipes out every human over the age of thirteen, vampires emerge to rule the world and keep the surviving children as livestock. Yuichiro Hyakuya escapes their underground city and joins the Moon Demon Company, vowing to destroy the vampires and rescue the family he left behind.