PREQUEL | BL Alone in his huge room, no people roaming in the dark alley, not enough good guards guarding their manor. Soon to be Duke, Lord Idris Gastrell was left alone that night. His father took almost all the guards from their household for a trip to Mermolt's Palace of the East. Feeling safe and secure, he decided to take a bath, sleep in the tub later and let the lonely night past, not knowing that on that night he'd seen a thief, holding the most precious and valuable thing for him- his mother's very last gift for him, the heirloom necklace! Unraveling the thief's identity was a big challenge for him, but his world will turn upside down after their head butler hires a new helper for their household. Solving the case while day dreaming about their mysterious helper will unravel the biggest plot twist of his life, making him ask, "Who is the real Royal Thief?" Written in English.