Kotaro Lives Alone Author Mami Tsumura Launches New Manga Posted on August 28, 2026 By admin No Comments on Kotaro Lives Alone Author Mami Tsumura Launches New Manga Tanosuke no Kawazanyō debuts September 11 Source: https://www.animenewsnetwork.com/news/2026-08-28/kotaro-lives-alone-author-mami-tsumura-launches-new-manga/.240982 Manga