There have been some changes to the reporting style here on the Blog. Please refer to the post here for further information.
It is thanks to the amazing folks over at Oricon that we get to see these charts on a weekly basis, so be sure to head over to their site here and show them lots of love! In addition, all the data you find below is accessible via Oricon right here (Light Novel), here (Book), here (Bunko) and here (Bungei-sho). To access the sales data, be sure to click on the “Analytics” accordion and then click “Chart”.
Without further ado, the full list is as follows:
Light Novel Weekly Top 13
1. Kyoto Teramachi Sanjou no Holmes Vol. 20 (NEW)
by Mai Mochizuki
Volume Information
Release Date: October 11, 2023
Days of Sales: 5
Price: 660 yen
Publisher: Futabasha
Estimated number of copies sold: 14,734
Link (JPN): Vol. 20
Light Novel Information
Publication Date: Apr. 16, 2015
Label: Futabasha Bunko mo 17-27
Official Web Page: Here
Other Information
Latest Promo: YouTube
Link (ENG): J-Novel Club

Analysis
Against its 19th volume, the 20th volume of Kyoto Teramachi Sanjou no Holmes has noted a decrease of 5.61% in copies sold, both in their first five days and against Volume 17 and Volume 18, the latest volume did not perform as good as the two which sold 14,924 copies and 15,222 copies in their first four days.
Additional Comments
The volume is titled “Minarai-tachi no Mirai Tenbou” or “The Future Outlook of Apprentices”.
In Summer 2018, the series received a 12-episode Anime TV series adaptation by studio Seven and a Manga serialization is currently ongoing by artist Ichiha Akizuki through the Monthly Action magazine of which some of its chapters can be read for free right here in Japanese.
2. Kusuriya no Hitorigoto Vol. 14