Monchhichi Wears TENKYU Costume in atmos Collab Line
atmos's original character TENKYU is collaborating with Monchhichi, the plush toy first released by Sekiguchi in 1974. The lineup includes a keychain and two T-shirt designs featuring Monchhichi in TENKYU costumes. Items go on sale August 8, 2026 at atmos stores, atmos pink stores, and the atmos online shop.