If you're a big fan of all things stationery then the Itoya buildings will blow your mind with the sheer amount of stationery they have available.
Trip Report to Itoya Ginza, Tokyo - There are stationery stores and there are Stationery Stores. This is the latter. : r/fountainpens
Stationery Shopping: Tools and Sekaido – Notebook Joy
Stationery Heaven at Itoya - Ginza, Tokyo - Japan Travel
Trip Report to Ancora & Itoya Ginza, Tokyo - Back to where it all began, Summer 2023 edition : r/fountainpens
Travel Vlog: Tokyo - ITŌYA Stationery Store - 2017
Stationery Heaven at Itoya - Ginza, Tokyo - Japan Travel
Stationery Heaven at Itoya - Ginza, Tokyo - Japan Travel
Ginza Itoya Hontren - All You Need to Know BEFORE You Go (with Photos)
It's Itoya! - Ginza, Tokyo - Japan Travel