At Grace Field House, life could not be better for the orphans! Though they have no parents, together with the other kids and a kind "Mama" who cares for them, they form one big happy family. No child is ever overlooked, especially since they are all adopted by the age of 12. Their daily lives involve rigorous tests, but afterward, they are allowed to play outside.

There is only one rule they must obey: do not leave the orphanage. But one day, two top-scoring orphans, Emma and Norman, venture past the gate and unearth the harrowing secret behind their entire existence. Utilizing their quick-wittedness, the children must work together to somehow change their predetermined fate.

Yakusoku no Neverland ranked first in the 2018 Kono Manga ga Sugoi! for the Male Readers division. It won the 63rd Shougakukan Manga Award in the Shounen category. In 2017, the manga was nominated for the 11th Manga Taisho Award and placed 11th in the final ranking.

As a part of the JUMP START initiative, the first three chapters of the series were published in English as The Promised Neverland in VIZ Media's digital Weekly Shonen Jump on the same day as the Japanese release. After, the series was added to VIZ Media's Weekly Shonen Jump lineup and it was simulpub through MANGA Plus. The volumes were published by VIZ Media from December 5, 2017, to August 3, 2021. The series was also released in Polish by Waneko; in Spanish by Norma Editorial; in Portuguese by Devir; in Brazilian Portuguese by Panini Comics; and in Czech by Crew.