A new Honkai: Star Rail leak is hinting at a brand-new exclusive song from popular character Robin, expected to be released with an upcoming physical music album. Robin was first revealed alongside the launch of Penacony as a beloved in-game musician, achieving massive fame for her music across multiple worlds within the sci-fi RPG. Robin's status as a musician was even reflected in her gameplay, with Honkai: Star Rail's "Sway to My Beat in Cosmos" playing when Robin uses her Ultimate. Now, a brand-new song by the popular character is being teased.