masaka is a user on kamiyacho.net. You can follow them or interact with them if you have an account anywhere in the fediverse. If you don't, you can sign up here.
東陽町に遊郭があったのは知ってたけど経緯は知らなかった
洲崎 (東京都) - Wikipedia https://ja.wikipedia.org/wiki/%E6%B4%B2%E5%B4%8E_(%E6%9D%B1%E4%BA%AC%E9%83%BD)