Voice Acting Icon Saori Hayami Delivers Stunning Vocaloid Cover as 'Cosmic Princess Kaguya!' Character Yachiyo

Celebrated voice actress Saori Hayami has released an exclusive cover of the 2019 Vocaloid track, Lonely Universe. This rendition features Hayami performing in character as Yachiyo, a key figure in the highly anticipated anime feature, Cosmic Princess Kaguya!. This release is part of a calculated marketing strategy emphasizing the production's deep connection to Vocaloid culture, following the excitement generated by a previous cover of World is Mine featured prominently in the film's trailers.

The original song, Lonely Universe, was created by Aqu3ra, a prolific composer who is one of several Vocaloid artists contributing original music to the Cosmic Princess Kaguya! project. While the iconic original featured vocals by flower and Hatsune Miku, establishing it as a significant piece within the digital music community, Hayami's interpretation offers a fresh perspective. Her distinct vocal performance successfully maintains the track's profound emotional depth while bridging established Vocaloid artistry with cutting-edge contemporary anime promotion.

The team responsible for this special music video cover ensured a visually stunning accompaniment. Illustrator Matcha provided the exquisite visuals, complementing the musical interpretation. Additional creative contributions came from _Sayuri, who designed the unique logo, and SHIG, who was responsible for the polished movie credits. This collaborative effort highlights the meticulous devotion the production team is applying to every facet of the Cosmic Princess Kaguya! experience.

Overview of Cosmic Princess Kaguya!

Slated for a January 2026 premiere, Cosmic Princess Kaguya! tells the mesmerizing story of Iroha. Her life changes dramatically when she discovers a shimmering, otherworldly infant emerging from a telephone pole bathed in iridescent light. Unable to abandon the child, Iroha takes her home. The baby soon undergoes a startling transformation into a girl the same age as Iroha. When questioned about whether she is the legendary Princess Kaguya, the rapidly matured girl develops a dramatically self-absorbed persona.

Following Kaguya's persistent demands, Iroha becomes deeply involved in helping her launch a streaming career on the platform Tsukuyomi. Iroha assumes the critical dual roles of producer and songwriter, while Kaguya takes center stage as the streamer and singer. As their bond strengthens through this artistic partnership, dark, clandestine forces begin to mobilize, determined to reclaim Kaguya and force her return to the distant moon.

The film boasts an impressive assembly of industry veterans. Character design is jointly overseen by illustrator hechima and Akihiro Nagae, known for his work on Drifting Home. Animation production is handled by the globally recognized Studio Colorido and Studio Chromato. Financial backing and planning are provided by Colorido and Twin Engine Partners. This powerful synergy of creative and production expertise promises a visually breathtaking adaptation that respects both the source material’s fantastical elements and the foundational Vocaloid legacy integral to the film’s identity.