1 - 20 of 25 Works in 宝石商リチャード氏の謎鑑定 - 辻村七子 | The Case Files of Jeweler Richard - Tsujimura Nanako
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My Beautiful Stranger by Orsonn
Fandoms: 宝石商リチャード氏の謎鑑定 | Housekishou Richard-shi no Nazo Kantei | The Case Files of Jeweler Richard (Anime), 宝石商リチャード氏の謎鑑定 - 辻村七子 | The Case Files of Jeweler Richard - Tsujimura Nanako
08 Dec 2025
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Summary
Submission for Week 1 of #JRMonth2025: Pen Pal AU
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AU where Seigi and Richard haven't met but are pen pals.Series
- Part 1 of JR Month 2025
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Touches by Prapo237
Fandoms: 宝石商リチャード氏の謎鑑定 - 辻村七子 | The Case Files of Jeweler Richard - Tsujimura Nanako, 宝石商リチャード氏の謎鑑定 | Housekishou Richard-shi no Nazo Kantei | The Case Files of Jeweler Richard (Anime)
12 Oct 2025
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Summary
Just an idea what might happen behind the scenes. (Spoilers for part 3 of the story)
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ill-suited by valdera
Fandoms: 宝石商リチャード氏の謎鑑定 - 辻村七子 | The Case Files of Jeweler Richard - Tsujimura Nanako, 宝石商リチャード氏の謎鑑定 | Housekishou Richard-shi no Nazo Kantei | The Case Files of Jeweler Richard (Anime)
18 Sep 2025
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Summary
“So,” I said, “that was—okay?”
Richard remained silent, blue eyes unreadable and glittering—like they’d been iced over. I fought the urge to start fidgeting with my suit lapels again. Was this an actual evaluation of my performance, or punishment for making him worry?
If that was the case, I certainly deserved it. Thinking about that man—my biological father—was still enough to set my nerves on edge, and the upcoming civil service exams had only exacerbated the issue. To my beautiful boss’s credit, he’d endured days of interview-related chatter before he’d snapped and asked if I meant to interview under him, since I couldn’t seem to talk about anything else.
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Morganite (stone of divine love) by Lazie_S
Fandoms: 宝石商リチャード氏の謎鑑定 - 辻村七子 | The Case Files of Jeweler Richard - Tsujimura Nanako, 宝石商リチャード氏の謎鑑定 | Housekishou Richard-shi no Nazo Kantei | The Case Files of Jeweler Richard (Anime)
07 Aug 2025
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Summary
Seigi convinces Richard to let him decorate him with the gems he’d always seen reflected in Richard’s eyes.
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Richard gives all his love to Seigi, and Seigi gives himself in return.
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aka their domestic married life and alternating pov of domestic moments <3 -
Bitter Aftertaste by Sakshi_S
Fandoms: 宝石商リチャード氏の謎鑑定 | Housekishou Richard-shi no Nazo Kantei | The Case Files of Jeweler Richard (Anime), 宝石商リチャード氏の謎鑑定 - 辻村七子 | The Case Files of Jeweler Richard - Tsujimura Nanako
07 Aug 2025
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Summary
Richard—the Jeweller who made himself 𝘴𝘪𝘤𝘬, by drinking too much Royal Milk Tea.
What happened 𝘢𝘧𝘵𝘦𝘳𝘸𝘢𝘳𝘥𝘴 changed 𝘦𝘷𝘦𝘳𝘺𝘵𝘩𝘪𝘯𝘨.
Series
- Part 2 of Jeweler Richard got unwell
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En el Canto de las Olas by Orsonn for MlleSmeell
Fandoms: 宝石商リチャード氏の謎鑑定 | Housekishou Richard-shi no Nazo Kantei | The Case Files of Jeweler Richard (Anime), 宝石商リチャード氏の謎鑑定 - 辻村七子 | The Case Files of Jeweler Richard - Tsujimura Nanako, 准教授・高槻彰良の推察 - 澤村御影 | Associate Professor Akira Takatsuki's Conjecture - Sawamura Mikage, 准教授・高槻彰良の推察 | Junkyouju Takatsuki Akira no Suisatsu (TV)
20 Jul 2025
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Summary
Seigi, Richard, Naoya, Akira, and Kenji take a trip to the beach on their day off.
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Super self-indulgent crossover fic between my two niche light novel series but make it a beach day episode!Series
- Part 3 of Cases and Conjectures
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The Cursed Hope Diamond by Orsonn
Fandoms: 宝石商リチャード氏の謎鑑定 | Housekishou Richard-shi no Nazo Kantei | The Case Files of Jeweler Richard (Anime), 宝石商リチャード氏の謎鑑定 - 辻村七子 | The Case Files of Jeweler Richard - Tsujimura Nanako, Junkyouju Takatsuki Akira no Suisatsu | Associate Professor Akira Takatsuki's Conjecture (Manga), 准教授・高槻彰良の推察 | Junkyouju Takatsuki Akira no Suisatsu (TV)
18 Jul 2025
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Summary
Jewlery Étranger is visited by an associate professor and his pupil who bring in a gem to be identified but when they reveal their true intention to investigate the curse that they claim lies within the precious stone, Richard and Seigi find themselves caught up in the case and possibly victims of the curse itself.
Series
- Part 1 of Cases and Conjectures
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Labyrinths of Labradorite by Orsonn
Fandoms: 宝石商リチャード氏の謎鑑定 | Housekishou Richard-shi no Nazo Kantei | The Case Files of Jeweler Richard (Anime), 宝石商リチャード氏の謎鑑定 - 辻村七子 | The Case Files of Jeweler Richard - Tsujimura Nanako
26 Apr 2025
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Summary
"Adventurers and criminals alike, only fools travel deep within this dungeon."
It has become Richard's life goal to take down the Dungeon's Master. After losing his two cousins to the influence of the dark magic that created the structure, Richard has wandered about in the dungeon looking for a way to enact his revenge. Accompanied by Seigi, elf and tall-man will traverse into the depths of the dungeon, discovering all that is hidden in the underworld beneath their feet.
(AU inspired by Delicious in Dungeon|Dungeon Meshi)
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come into my world by valdera
Fandoms: 宝石商リチャード氏の謎鑑定 - 辻村七子 | The Case Files of Jeweler Richard - Tsujimura Nanako, 宝石商リチャード氏の謎鑑定 | Housekishou Richard-shi no Nazo Kantei | The Case Files of Jeweler Richard (Anime)
18 Apr 2025
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Summary
I decided to venture a question. “Richard,” I said, grateful for the relative privacy of our compartment, “are you still awake?”
For a time the thrum of the train continued, uninterrupted. I leaned back into my seat and let out a noisy exhale, hoping that I, too, could fall asleep.
All of a sudden, Richard’s lips parted, and I froze. “Seigi,” he sighed, “what is the matter with you?”
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Sienna by Orsonn
Fandoms: 宝石商リチャード氏の謎鑑定 | Housekishou Richard-shi no Nazo Kantei | The Case Files of Jeweler Richard (Anime), 宝石商リチャード氏の謎鑑定 - 辻村七子 | The Case Files of Jeweler Richard - Tsujimura Nanako
08 Apr 2025
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Summary
What if Richard really left Seigi for Deborah?
Based off Seigi’s fear from volume 9 of the light novels.
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Too much Tea by Sakshi_S
Fandoms: 宝石商リチャード氏の謎鑑定 | Housekishou Richard-shi no Nazo Kantei | The Case Files of Jeweler Richard (Anime), 宝石商リチャード氏の謎鑑定 - 辻村七子 | The Case Files of Jeweler Richard - Tsujimura Nanako
29 Mar 2025
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Summary
This is the story of why Saul told Seigi that one of Richard’s nicknames was “the jeweler who made himself sick from drinking too much Royal Milk Tea” in Volume 5.
Or, what happened after Richard made himself sick by overindulging in his favorite tea.
Series
- Part 1 of Jeweler Richard got unwell
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For The Last Time; Between You and Me by Orsonn
Fandoms: 宝石商リチャード氏の謎鑑定 | Housekishou Richard-shi no Nazo Kantei | The Case Files of Jeweler Richard (Anime), 准教授・高槻彰良の推察 | Junkyouju Takatsuki Akira no Suisatsu (TV), 宝石商リチャード氏の謎鑑定 - 辻村七子 | The Case Files of Jeweler Richard - Tsujimura Nanako
09 Mar 2025
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Summary
After his car broke down in the middle of nowhere, Richard finds refuge from a violent storm in a farmhouse occupied by a polite family. Having been notified, Seigi drives out to pick him up but is met with a decrepit building that has been abandoned for years. Seigi asks around only to discover that the house is reportedly haunted and that those who enter it don't come back.
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Richard enters a house and is then nowhere to be found. With the help of Professor Akira and Naoya Fukamachi, Seigi hopes to discover the truth behind the haunted house and Richard's mysterious disappearance.Series
- Part 2 of Cases and Conjectures
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every trembling rêve adored by lady_peony
Fandoms: 宝石商リチャード氏の謎鑑定 - 辻村七子 | The Case Files of Jeweler Richard - Tsujimura Nanako, 宝石商リチャード氏の謎鑑定 | Housekishou Richard-shi no Nazo Kantei | The Case Files of Jeweler Richard (Anime)
02 Mar 2025
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Summary
"Am I to be your Bluebeard, Seigi? Your Sir Reynard, some sly Lady Mikuzume, leading a knight-errant to his ruin?"
"I wanted to stay." I held my head up at that, willed my voice to hold its unerring, unwavering course.
The diamond breaks. Seigi is placed in house arrest at the Claremont estate.
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lingua franca by jessenigma for professorplum221
Fandoms: 宝石商リチャード氏の謎鑑定 - 辻村七子 | The Case Files of Jeweler Richard - Tsujimura Nanako, 宝石商リチャード氏の謎鑑定 | Housekishou Richard-shi no Nazo Kantei | The Case Files of Jeweler Richard (Anime)
25 Dec 2024
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Summary
It's funny, though, because sometimes it feels like I still can't find the right word to say how I feel no matter what the language is. Isn't it strange that you can say "I love pudding" and "I love my family" all with the same word in English? Aren't those feelings really different? Is it even right to use "love" for both?
Seigi contemplates languages, feelings, and Richard.
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The Victorious Blue Diamond by bukkunkun
Fandoms: 宝石商リチャード氏の謎鑑定 | Housekishou Richard-shi no Nazo Kantei | The Case Files of Jeweler Richard (Anime), 宝石商リチャード氏の謎鑑定 - 辻村七子 | The Case Files of Jeweler Richard - Tsujimura Nanako, Yuri!!! on Ice (Anime)
24 Dec 2024
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Summary
Richard brings Seigi along to Saga for his winter holiday on a trip mixing business with pleasure.
There, Seigi meets Japan's late bloomer, Hasetsu's Hero of the Ice, Yuuri Katsuki, and discovers the fragility of a man's heart, and the devotion of a loving partner and coach.
A NaNoWriMo 2024 winner, the fourth bonus case of three in a series uploaded as separate oneshots on ao3.
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【理正】第一次 by erziliu
Fandoms: 宝石商リチャード氏の謎鑑定 | Housekishou Richard-shi no Nazo Kantei | The Case Files of Jeweler Richard (Anime), 宝石商リチャード氏の謎鑑定 - 辻村七子 | The Case Files of Jeweler Richard - Tsujimura Nanako
22 Dec 2024
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Summary
如题，两人第一次
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【理正】忠诚的蓝宝石 by erziliu
Fandoms: 宝石商リチャード氏の謎鑑定 | Housekishou Richard-shi no Nazo Kantei | The Case Files of Jeweler Richard (Anime), 宝石商リチャード氏の謎鑑定 - 辻村七子 | The Case Files of Jeweler Richard - Tsujimura Nanako
22 Dec 2024
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Summary
爱在斯里兰卡，亘古不停
- Language:
- 中文-普通话 國語
- Words:
- 14,265
- Chapters:
- 1/1
- Kudos:
- 9
- Hits:
- 344
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【理正】没有如果 by erziliu
Fandoms: 宝石商リチャード氏の謎鑑定 | Housekishou Richard-shi no Nazo Kantei | The Case Files of Jeweler Richard (Anime), 宝石商リチャード氏の謎鑑定 - 辻村七子 | The Case Files of Jeweler Richard - Tsujimura Nanako
22 Dec 2024
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Summary
灵感来自第五卷，如果理查德年少时期随妈妈去了法国当男演员
一发完
依然中田正义第一人称- Language:
- 中文-普通话 國語
- Words:
- 3,600
- Chapters:
- 1/1
- Kudos:
- 12
- Hits:
- 227
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The Guiding Mega Stone Beacon by bukkunkun
Fandoms: 宝石商リチャード氏の謎鑑定 | Housekishou Richard-shi no Nazo Kantei | The Case Files of Jeweler Richard (Anime), 宝石商リチャード氏の謎鑑定 - 辻村七子 | The Case Files of Jeweler Richard - Tsujimura Nanako
13 Dec 2024
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Summary
When a child appears at Étranger's door with damning information about a secret Richard keeps close to his chest, Seigi and Richard have no choice but to take her request.
This case drags them into a whirlwind of danger involving fake stones, an old acquaintance, and a display of power that Seigi had never seen before.
A NaNoWriMo 2024 winner, the third case of three in a series uploaded as separate oneshots on ao3.
Series
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The Princess’s Pink Diamond by bukkunkun
Fandoms: 宝石商リチャード氏の謎鑑定 - 辻村七子 | The Case Files of Jeweler Richard - Tsujimura Nanako, 宝石商リチャード氏の謎鑑定 | Housekishou Richard-shi no Nazo Kantei | The Case Files of Jeweler Richard (Anime)
06 Dec 2024
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Summary
A new client's request for an appraisal arrives at Étranger with a bold claim about the diamonds to be evaluated.
Beneath the sparkling, dizzying beauty of pink diamonds, Seigi and Richard discover a conspiracy rooted in the French Riviera.
A NaNoWriMo 2024 winner, the second case of three in a series uploaded as separate oneshots on ao3.
Series