On October 17, the official Metal Gear Solid account on X (formerly Twitter) announced that they would be releasing a new song to promote Metal Gear Solid: Master Collection Vol. 1.
They also shared a black-and-white silhouette image, featuring a long-haired girl wearing the iconic Solid Snake headband and mentioning that more details would be revealed on October 20, 2023.
Following this, the official account of hololive also retweeted the announcement, leading many fans to speculate whether the two parties are planning a collaboration.
On October 18, hololive EN's "Dad" Mori Calliope publicly shared a video related to Metal Gear Solid on X (formerly Twitter), clearly indicating their upcoming collaboration. Subsequently, the collaborative theme song, "SNEAKING", performed by hololive EN's Mori Calliope, was officially unveiled.
Metal Gear Solid: Master Collection Vol. 1 is scheduled to be released on October 24, 2023, and will be available on the PlayStation 5, Xbox Series, PC, and Nintendo Switch platforms.
