El Perro Del Gorro Atornillado Al Cráneo summary:

*Winner of the MangaPlus Creators July 2023 Bronze Award*After someone dear is taken away from him, all that's left is the desire for vengeance. It's under the shadow of his friend's parting words, "don't trust anyone," that "the guy" lives—a mysterious warrior known by this moniker for never uttering his true name. Now, he will be face to face with his target, and he will have to make a decision!