全国書店員が選んだおすすめコミック (in Japanese). Honya Club. February 1, 2019. Archived from the original on June 19, 2019. Retrieved October 12, 2019.
jigokuraku.com
『地獄楽』インタビュー 賀来ゆうじ. Hell's Paradise: Jigokuraku Official Website (in Japanese). Archived from the original on September 25, 2023. Retrieved October 7, 2023.
『地獄楽』インタビュー 賀来ゆうじ. Hell's Paradise: Jigokuraku Official Website (in Japanese). Archived from the original on September 25, 2023. Retrieved October 7, 2023.