While direct "PDF" downloads from the publisher are uncommon due to DRM, you can legally purchase and read high-quality digital versions (eBooks) on various platforms: Amazon (Kindle) for approximately BookWalker

It is important to distinguish between the two versions, as "PDF" searches often lead to fan-translated web novel files: Web Novel (WN) : The "rough draft" self-published by Nagatsuki on Shōsetsuka ni Narō free to read

: A popular choice for manga and light novel fans that offers a dedicated reader app. Yen Press Store : Directs users to major retailers like Barnes & Noble for both digital and physical copies. Light Novel vs. Web Novel