Welcome to the Café of the Dark Guild's Successor

The talent training camp of the dark guild, 'Raven.' That was the place where my brother and I were dragged to because of our father's debt.Wishing for at least my brother to grow up safely, I managed to get him out, and from then on, we walked completely different paths. He became the deeply loved child of a noble family, while I became the promising successor of the dark guild.Then, ten years later, I unexpected...