The “Hoshifuru Summer Song” collaboration campaign between *Honkai: Star Rail* and Karaoke Manekineko will take place at Karaoke Manekineko locations nationwide starting at 1:00 PM on September 10, 2026. The campaign will feature a total of 8 collaboration drinks and 2 food items, as well as merchandise such as CD-style foil-stamped coasters, photo cards, and CD-jacket-style acrylic keychains available as order bonuses. Additionally, a singing campaign will be held where players can receive wallpaper images by singing eligible songs.