緑川ゆき「蛍火の杜へ」愛蔵版に特別編12ページ描き下ろし [Hotarubi no Mori e keepsake edition (News)] (in Japanese). Comic Natalie. 5 September 2011. Archived from the original on 31 August 2012. Retrieved 10 May 2018.
緑川ゆき「蛍火の杜へ」愛蔵版に特別編12ページ描き下ろし [Hotarubi no Mori e keepsake edition (News)] (in Japanese). Comic Natalie. 5 September 2011. Archived from the original on 31 August 2012. Retrieved 10 May 2018.