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."

Collection of stories:

1) Borderline (NEMU Youko)
2) Akatsuki no Stallion (SHINOHARA Chie)
3) Ashita no Nyaata (NISHI Keiko)
4) Hibi Kore Neko Jitsu (HATSU Akiko)
5) Bokura Shinbun (OUSAKA Mieko)
6) Sorekara (Hozumi)
7) Neko ni Umare Kawatta Boku wa (SAKURAWA Asuka)
8) Kyou wa Shuppatsu no Hi (OOUCHI Eiko)
9) 04992 (Est Em)

Note Nemu Youko's Borderline was also printed in her oneshot collection Shounen Shoujo.