Steins;Gate × Tokyo Sento Collaboration Brings Gelbanana Baths, Merch, and Stamp

MAGES has announced a new Steins;Gate collaboration with several traditional Japanese bathhouses across Tokyo. The event, titled Steins;Gate × Tokyo Sento, will run from November 27 through December 27, 2026, and will feature exclusive merchandise, themed baths, collectible postcards, and a stamp rally.

The collaboration includes merchandise featuring Okabe, Mayuri, Itaru, Kurisu, Yugo Tennouji, and Nae Tennouji. Items include acrylic stands, trading badges, bath towels, and bath additives inspired by the series’ Gelbananas.

Eight participating locations will offer the special Gelbanana bath on December 10, while the remaining seven will hold it on December 18.

Participating bathhouses will also display Steins;Gate decorations, including themed entrance curtains and life-size character standees.

The collaboration will take place at 15 locations across Tokyo, including bathhouses in Toshima, Suginami, Nerima, Adachi, Shinagawa, Taito, Kita, Ota, and Mitaka. Merchandise purchases and stamp collection require paid admission to the participating facilities.

Steins;Gate Re:Boot is available on consoles in Japan, as well as on PC worldwide. The title will be released in the West on Switch, Switch 2, Xbox Series X|S, and PlayStation 5 on October 29, 2026. Check out our review. Steins;Gate Octet of Shifting Space will be released for Switch, Switch 2, PlayStation 5, and PC via Steam.