Taken from Baka-updates:
An anthology of oneshots.

Story 1: Promise by NISHI Keiko

Story 2: They were Eleven by HAGIO Moto

Story 3: The Changeling by SATO Shio

Story 4: Since You've Been Gone by NISHI Keiko

The two stories by NISHI Keiko were also published as a separate book in English called "Promise." Those stories were originally taken from "Mizu ga Kooru ni Naru Toki."

Publisher Hayakawa is celebrating its 70th anniversary with two manga anthology reprints. One collection is dedicated to mystery works while the other compiles sci-fi stories printed over the publisher’s long career.