Sebastian X Ciel Truyen Tranh -

Despite being a child, he is the Queen’s Watchdog. He is cold, calculating, and treats Sebastian as a tool for his ambition.

The core of their relationship is a demon-human contract, where Sebastian serves as Ciel's butler/guardian in exchange for Ciel’s soul upon completion of his revenge. sebastian x ciel truyen tranh

The manga keeps readers hooked with long-running mysteries, such as the "Twin Ciel" theory (now a confirmed plot point). This adds layers of tragedy to Sebastian’s service, as he is the only one who knows the boy’s deepest secrets. How to Read "Sebastian x Ciel Truyen Tranh" Despite being a child, he is the Queen’s Watchdog