In addition, alternative message with her singing the theme song for Morinaga Cocoa is also available on the collaboration campaign site.
As reported, the official “Cocoa’s Day” was determined to be November 7 by Japan Anniversary Association in 2016.
Since then, the official website for the Is The Order a Rabbit? anime franchise has posted a special voice message from its protagonist girl Cocoa Hoto voiced by Ayane Sakura on the day every year, as a collaboration campaign with Japanese confectionery company Morinaga Seika/Morinaga & Company.