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Sanmon Sonohigurashi
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Sanmon Sonohigurashi
A koban! A quality, irreplaceable golden coin, dating from the Houei era!

Sanmon Sonohigurashi was an antique salesman dining at the "La Quantos" restaurant when John Watson was murdered. He appeared as a witness during Ryūnosuke Naruhodō's subsequent trial for the crime.

Witness to murderEdit

Main Article: The Adventure of the Great Departure

Sanmon Sonohigurashi was a Japanese antique dealer who owned an emporium on Street 2 Kado known as the Hall of Discard. One day, at the resturant La Quantos, he met a soldier named Taizou Uzukumaru. Uzukumaru stole a koban from him, intending to sell it due to the poor pay he received. When Sonihigurashi realized it had gone missing, he began looking around the nearby area for it, and when searching under the table, he heard a gunshot and turned around to see what he believed was Naruhodō shooting Watson.

Resultantly, Sonohigurashi served as a witness to the trial of the incident. Satoru Hosonaga ordered him and Uzukumaru not reveal the presence of Jezail Brett at the time due to the delicate relationship between their country and the Great British empire. The defendant, Ryūnosuke Naruhodō, not only exposed the theft of Sonohigurashi's koban but also revealed that Brett killed the man. Naturally, Sonohigurashi was furious at Taizou. During an argument after the trial, they sat on a bench where Naruhodō wanted to look for his missing armband. The two men hear about how Kazuma Asōgi first met Naruhodō and learn bad he is at tongue twisters. Afterwards, he served as a witness at Uzukumaru's trial regarding his stolen koban.


Sanmon Sonohigurashi mugshot


Sanmon Sonohigurashi often spoke in a complex manner. He was obsessed with antiques like vases and knives to the point of carrying a few with him, as well as often examining them during court. He was generally polite, although he could become hasty during certain situations, such as when his koban was found.

Sonohigurashi was a frequent costumer at La Quantos, drinking their aromatic coffee each afternoon. According to Asōgi, this led to him persuading other costumers into buying his wares. He seemed to have suspected Usukumaru from stealing his koban in The Adventure of the Great Departure, but never accused him outright until the fact was made clear by Naruhodō.

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  • His given name "Sanmon" means "three pennies", while his family name "Sonohigurashi" means "making a living day-by-day".
  • The name "Sanmon" (三文) matches the Chinese spelling for "salmon", however this may very well be a coincidence.
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