Yakusoku no Neverland: Tokubetsu Bangai-hen - Kienai Yaiba
The Promised Neverland: Special Bonus Chapter - Undying Blade·約束のネバーランド 特別番外編 消えない刃
A 10th-anniversary special side-story one-shot set after the end of The Promised Neverland. Note: Published in Weekly Shounen Jump 2026 issue 39
Translation in progress — original English text.
