鹿の王 ユナと約束の旅 [Shika no Ō: Yuna to Yakusoku no Tabi]

A brief, two-issue manga series from Kadokawa (2021–2022), 鹿の王 ユナと約束の旅 adapts the story of The Deer King, focusing on the character Yuna and her journey of promise. The series is a compact, visually-driven companion to the broader Deer King narrative, notable for its concise storytelling and connection to the acclaimed fantasy world created by Nahoko Uehashi.