The Supreme Servant

Special forces soldier Danny Dunn time-travels, becoming a Third-Rank Servant of the Sullivan family. He creates top-grade dyes, helping the Sullivan family and rising to First-Rank Servant. He navigates relationships with Miss Seraphina Sullivan, Lady Warner, maid Yara, and Grand Princess Lara Quinn. He overcomes the Blanche family, aces the metropolitan exam, establishes the Brocade Guard to help the Emperor, and Celeste confesses love and wants to marry him.