The First Rule of the Secret Guard: on the Master's Wedding Day, the Dead Man Should Commit Suicide on His Own.

The Secret Guard Has a Crush on His Master

The master reborn dotes on him and loves him, but the secret guard feels that he is humble and still can't believe it

Secret Guard × Master, Secret Guard Sand Sculpture, the Prince's Pampering

Secret Guard Shuang Nan

Is there such a thing as a double-powerful secret guard? Shuang Nan, the cold and humble loyal dog secret guard × Feng Pi's overbearing master

The type you want to see: The male protagonist is a secret guard/shadow guard/slave/general. The type you don't want to see: The male protagonist is too weak, incompetent, and can only ask questions. Looking for similar characters: You can refer to Haodu

Super Nice Master and Slave Story

I want to read a book similar to "The Slave of the Wen Family".