日本へようこそエルフさん。 (Series) favorite_border

[DeepL Translation - needs review] Volume 1 Introduction: As a working adult, Kazuhiro Kitase's only hobby is to sleep anyway. Ever since he was a child, he has been having exciting adventures in the mysterious dream world he always sees. One day, while adventuring with an elf he befriended in a dream, they were unluckily burned together by a dragon's breath. When he wakes up from his dream, he finds a young elf girl sleeping peacefully.

(Translator: DeepL)