タイトル別名 The Development of the Movement to Regulate "YUUGAI comics" ユウガイ コミック キセイ ウンドウ ノ テンカイ 1. Aim The purpose of this paper is to study how a kind of comics called "YUUGAI (harmful) comics" became the social problem, and how petitions which ask for the revision of the Tokyo prefectural ordinance were presented to the assemblies. 2. Methods We investigated them by two methods. First, we collected