[8] In fact, Shigematsu seldom read any books until he became the editorial staff of the journal, and thus he could barely involve in the members' conversation.
[9] He therefore every time memorised the names of the writers and titles of the novels they mentioned, and searched in libraries and book stores afterwards.
[1] He later worked as a freelance writer using over 20 pen names, including Akira Tamura (田村 章 Tamura Akira) and Koshir Okada (岡田 幸四郎 Okada Kōshirō), when he novalised dramas and films, wrote for magazines and sometimes took on ghostwriting works.
[1] He distinguished himself as a young adult writer, focusing on themes including bullying, juvenile crime and domestic problems.
[13] In 2007, Shigematsu wrote the lyrics for the theme song, Meguriai, for the 74th The Nationwide Contest of Music sponsored by NHK (secondary division).