TV special
Finished airing
1 episode
One Room: Second Season - Hanasaka Yui no Prologue
One Room 2nd Season: Hanasaka Yui's Prologue · One Room セカンドシーズン 花坂結衣のプロローグ
Characters and voice actors
Staff and studios
Furukawa, Atsushi
Color design
Zero-G
Animation production