The “Starfall Summer Song” collaboration campaign between コシダカホールディングス' Karaoke Manekineko and HoYoverse's Honkai: Star Rail began at 13:00 on 10 September 2026. The campaign consists of first and second phases, with limited promotional items changing by period, and is also running simultaneously at JOYSOUND.
The “Starfall Summer Song” collaboration campaign with the popular game Honkai: Star Rail will run from 13:00 on 10 September through 29 November 2026. It will be held simultaneously at Karaoke Manekineko and JOYSOUND karaoke stores nationwide, with limited promotional items offered according to the period.
The first phase runs from 10 September to 18 October, and the second from 19 October to 29 November. Participating locations are Karaoke Manekineko and JOYSOUND stores nationwide, with details provided on a dedicated website. The collaboration menu includes 8 drinks and 2 food items, and customers receive 1 randomly selected promotional item with each order.
The 8 collaboration drinks combine ingredients including ramune, pineapple and mango, while the 2 collaboration food items include spicy options. A singing campaign, including mobile wallpapers, will also run during the period, with original wallpapers awarded at random based on singing.