⚠️ PRE-ORDER — NOT YET RELEASED ⚠️

ESTIMATED RELEASE: NOV 25, 2026

THIS ITEM DOES NOT SHIP TODAY. It ships once the publisher releases it and it arrives in store. Release dates can move.

ORDERS SHIP COMPLETE. If you order a pre-order item together with in-stock items, the whole order ships once every item has arrived.

Kasane Hayafuji cannot live without making trips to a certain eatery in order to see Aoyama, a waitress working there. One day, when seeing Aoyama standing out in the rain, getting soaked to the bone, Kasane lends her a hand…But the next thing she knows, Aoyama comes to her with a “sister contract”…!? CONTRACT SISTERS TP VOL 01. Softcover collected edition. New and unread. Published by Yen Press. Written by Hijiki. Interior art by Hijiki. Cover art by Hijiki.