ATEEZ × Wonderwall — Exclusive Content Collaboration

ATEEZ's exclusive 11-episode content collaboration with Wonderwall (원더월).

ATEEZ partnered with Korean content platform Wonderwall (원더월, run by fromm store) for an exclusive 11-episode content series (9 stories + 2 bonus chapters) portraying the group's past, present, and future, all eight members — including Seonghwa — included. The launch was posted by fromm store's official account on July 3, 2021 and directly reposted by @ATEEZofficial on X the same day. The partnership continued with further "Wonderwall Edition" merchandise drops (member and unit photocards, apparel) in later years, including a 2nd collaboration in November 2022 and an official brand film, "The Adventure of ATEEZ," in July 2023.