約束のネバーランド [Yakusoku no Neverland] is a 15-book series with 14 primary works first released in 2016 with contributions by Kaiu Shirai, Anna Křivánková, and Nanao.
2016 • 3 Readers • 189 pages • 4.7
2017 • 2 Readers • 192 pages • 5
2017 • 2 Readers • 200 pages • 4
2018 • 1 Reader • 196 pages • 4
2018 • 1 Reader • 200 pages • 4
2019 • 5 Readers • 192 pages • 4.5
2018 • 1 Reader • 260 pages