Original title: 大芦山文學紀要 (Dai Ashiyama Bungaku Kiyou)
Two separate stories by Ashiyama. Published in 2018.
The first one is a prequel to the completed longer series* " A Magician Who Loved a Fake " by the same author.
*Not yet uploaded to Danbooru save for posts like this Colored Textless Doujin Cover (post #5536128) with untranslated but clarifying commentary-description and links.
