Spy Mission: My Girlfriend the Old Noble’s Maid includes a secret mission, a mansion, and an enemy who seems to strike at the worst moment.

A Dangerous Mission Inside Baron Holland’s Mansion
You and your girlfriend, Azami, enter Baron Holland’s estate as highly trained undercover agents. The goal is simple on paper: investigate the mansion, uncover evidence, earn the maids’ trust, and get out safely.
The problem is the Baron in Spy Mission: My Girlfriend the Old Noble’s Maid.
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He’s surrounded by rumors of criminal activity and has a reputation for abusing his position. Once night falls, protecting Azami becomes just as important as collecting evidence.
⚠️ All H-CGs in Spy Mission: My Girlfriend the Old Noble’s Maid contain NTR (Netorare) content. ⚠️
The story follows Yuuto, an agent whose relationship with Azami is constantly put under pressure. At the worst possible moments, the Baron takes advantage of the situation, leaving Yuuto struggling to keep Azami safe and complete the mission.
Explore, Investigate, and Gather Evidence
During the daytime, the mansion becomes a large area to investigate. Search suspicious rooms and corners, look for hidden objects, collect clues, and work toward finding the keys needed to access restricted areas at Spy Mission: My Girlfriend the Old Noble’s Maid.
The maids can also provide useful information. Talking with them, building affection, and earning their trust can reveal hints or items that make the investigation easier at Spy Mission: My Girlfriend the Old Noble’s Maid.
Characters
Azami — Voice: 夕霧花音
A highly skilled agent posing as a maid while investigating the Baron’s crimes. Azami normally keeps a calm and composed attitude, although her softer side tends to appear when she’s with her boyfriend, Yuuto.
Head Maid — Voice: 紫紀ペルシャ
The head of Baron Holland’s household staff. She’s gentle and quiet but highly capable. The Baron favors her and expects her to serve him whenever ordered.
Aloe — Voice: 白川パコ
A cool and professional information broker hiding among the maids. She is investigating the rumors surrounding Baron Holland while maintaining her cover, though she becomes surprisingly embarrassed in certain situations.
Momo — Voice: 鳴森りいあ
Proud, selfish, and usually rather cold toward others. Despite the tough attitude, she becomes flustered easily and quickly turns red when pressured.
Marron — Voice: 皐月メイ
Cheerful, energetic, and always ready to brighten the mood. Marron dreams of becoming a kitchen maid.
Mashiro — Voice: 鳴森りいあ
A quiet and composed maid who takes her work seriously. Before Azami arrived, she was one of the Baron’s preferred maids.
Sora — Voice: 白川パコ
A timid girl who rarely approaches other people. Behind her shy personality is a desire to overcome her fear of social interaction.
Karin — Voice: 夕霧花音
A maid descended from a noble ninja family. Strange, unpredictable, and difficult to read, Karin joins Yuuto in an attempt to steal the gold bars hidden somewhere inside the mansion.
Marina — Voice: 紫紀ペルシャ
A police officer who arrives at the mansion while on patrol. She’s committed to justice but has a habit of making clumsy mistakes. In reality, Marina is an undercover FBI investigator using the embarrassing police uniform as part of her mission.
Baron Holland
A nobleman linked to numerous rumors and alleged crimes. He’s known as a womanizer who takes advantage of the authority that comes with his position.
Yuuto — Protagonist
Azami’s boyfriend and her senior partner within the agency.

Features of Spy Mission: My Girlfriend the Old Noble’s Maid:
- Expected playtime is around 4–5 hours.
- Talking to the maids is worth doing regularly. Their affection levels can unlock useful information, items, and hints that help with the investigation.
- There are 58 H-scenes, including character sprites, along with 23 fullscreen HCGs. Spy Mission: My Girlfriend the Old Noble’s Maid also offers a sizeable cast, giving players plenty of characters to interact with throughout the story.
- Nighttime decisions can have a major impact on the ending. Letting certain scenes play out without intervention may lead to unexpected developments, while stopping key events can change how the story unfolds.
- With mansion exploration, puzzles, hidden evidence, multiple endings, and a strong NTR theme, Spy Mission: My Girlfriend the Old Noble’s Maid is aimed at players who enjoy adult RPG adventures built around investigation, tension, and taboo situations.
Minimum System Requirements:
- OS: Windows 10
- Processor: Intel Core i3-2120 3.30GHz
- Graphics: DirectX 9/OpenGL 4.1
- DirectX: Version 9.0
- Storage: 8 GB available space










