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KAF Connects With Mori Calliope For New Song 'Light'

The Latest In The Virtual Singer's Suite Series Premiered At Expo 2025


Tokyo, Japan — KAF and Hololive's Mori Calliope, two icons of Japan's online music world, come together on new song “Light,” out now on all streaming services. It's the latest entry in the second round of KAF's ongoing Suite series, seeing her pair up with a wide variety of musicians from across the sonic spectrum. This latest single was originally premiered as part of a special concert performance by the pair at Expo 2025 in Osaka at the Virtual Osaka Healthcare Pavilion.

Listen to “Light” here

The two artists have crossed paths several times in the past, with Calliope joining KAF at live shows and the duo often expressing respect towards one another online. “Light” marks the first time they have collaborated on an original song, though, and stands as a milestone moment in the burgeoning space of virtual artistry. The collaboration also follows KAF's previous joint single alongside Hololive's other prominent vocalist Hoshimachi Suisei, which was released earlier in the year.

KAF and Calliope also shared an official music video for “Light,” which you can watch here.

Recently, KAF also participated in YouTube Music Weekend, an event spotlighting Japan's online music scene. The performance is set to be available for archive viewing until September 14, 2025. Watch her performance from it here.

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