Tells of secrets and temptations played by a special jeweler who buys "things of value to customers" and sells "jewelry that matches that value".

In the Housekishou no Historitika series: Vol.1 (collection of short stories): Story 1: Giyaman no Musume (玻璃の娘/Jeweler and Cinderella) on Aokishi issue 1/2021. Story 2: Zakuro Ishi no Kisaki (柘榴石の妃/Jeweler and Princess Garnet) on Aokishi issue 2/2021. Story 3: Hen Saishiki no Rinjin/Alexandrite no Rinjin (変彩色（アレクサンドライト）の隣人/Jeweler and Dream Chaser of Alexandrite) on Aokishi issue 3/2021. Story 4: Gin no Osanago/Silver no Osanago (銀（シルバー）の幼子/Jeweler and Silver Maiden in Love) on Aokishi issue 4/2021. Story 5: Azurite no Neko/Aidoukou no Neko (藍銅鉱（アズライト）の猫/Jeweler and Azurite-eyed Cat) on Aokishi issue 5/2021.

**Starting from Aokishi issue 6/2022, Housekishou no Historitika became a full-scale serialized work.