Bramism is a group (self-proclaimed religion) made by a few, in adoration for Bram Stoker from the famed manga and anime (soon) known as Bungou Stray Dogs.
In short (and what we now know), Bram Stoker is a Dracula with half a body. He's Irish and he LOVES music. He got high on it after Aya, a young girl, put earbuds in his ears so she could make a deal with him.
1: "Do you know of Bram Stoker?"
2: "The author?"
1: "No, the Dracula."
2: "What?.. Bram Stoker *wrote* Dracula."
1: "No! No, you've got it all wrong!! I meant Bram Stoker from BSD."
2: "OHH! The Dracula who got high on music! I do know him! Some people made a sort of self-proclaimed religion named Bramism."
1: "Yeah, I want to join them but rumor has it they're a bit... introverted."
2: "Too bad..."