The rise of digital singers, featuring AI-generated voices and 3D avatars, has redefined the music industry. When a new virtual idol is first introduc…

The rise of digital singers, featuring AI-generated voices and 3D avatars, has redefined the music industry. When a new virtual idol is first introduced, fans often engage in extensive problem-solving. They research the software's origin or the performer, (1) . Once the technology becomes familiar, consumers move toward limited problem-solving. (2) , enthusiasts evaluate some excellent voice demos, comparing different virtual voices based on established quality standards. For many loyal followers, purchasing a new digital single like "Hana" by PLAVE or a virtual concert ticket eventually becomes a routinised response behaviour, occurring almost instinctively without much thought. (3) . However, the market is also driven by unplanned purchases, frequently sparked by limited-edition digital accessories or sudden virtual events. (4) . Over time, these repeated interactions help reinforce user engagement and deepen emotional attachment to virtual performers. From a long-term commercial perspective, (5) .

Consequently, creators must blend technological innovation with a deep understanding of fan psychology to ensure their virtual stars remain relevant in this rapidly evolving digital landscape.