"You called for me? Lord Hanako"

Tadashi's low and polite tone asked. His head slightly bowed down as he was met by Hanako's stern and serious gaze. Tadashi kept his head bowed, not moving an inch until the other man say so

A master and servant that was all it was. Hanako who orders around, while Tadashi was the dog that obeys any orders and demands no matter what

After all, a dog is still a dog no matter how long they've been together and known each other. A dog remains a dog