Loose-Lipped Vampire

--is the fifty-sixth chapter of the manga series, Seraph of the End: Vampire Reign.

Short Summary
Guren and his squad arrive at Ferid's mansion only for Guren to knock out everyone except Shinya, who dodges the attack, and fights Guren. Shinya loses and gets knocked out, and Guren proceeds to the mansion. He goes to the basement where the Shinoa squad are and surprising everyone. Meanwhile, Mahiru checks in with her sister, who is unable to perceive her, and believes Shinoa's love for Yu which will awaken her younger sister's demon. Guren tells everyone that the Hīragis are being used by someone else, thus that person is responsible for everything that has happened.

In Shibuya, Kureto and Aoi launch an attack on the city claiming Tenri is working with the vampires. Kureto begins his fight with Tenri in the audience chamber.