Shows like seraph of the end

Seraph of the End is a Japanese dark fantasy manga series written by Takaya Kagami and illustrated by Yamato Yamamoto with storyboards by Daisuke Furuya. The series is set in a world that allegedly comes to an end at the hands of a "human-made" virus, ravaging the global populace and leaving only children under the age of thirteen untouched. It is at this time that vampires emerge from the recesses of the earth, likely followed by age-old horrors of the dark thought only to be myth. A young man named Yūichirō Hyakuya joins a vampire extermination unit to avenge the deaths of his orphaned family and reclaim his childhood best friend Mikaela from the vampires. It started publishing in Shueisha's Jump SQ in September 2012.