KAF (花譜, pronounced "Kafu") is a Japanese female Virtual Singer on YouTube. She is a performer signed to KAMITSUBAKI STUDIO.
In addition to releasing original songs, she often covers Japanese-language songs. With the concept of a virtual singer reaching out to the real world, her music videos often place her in various real life places.
She is like any twenty-year-old girl living somewhere in Japan, and she could be anywhere but is found nowhere. A next-generation virtual singer with a rare singing voice discovered through a series of coincidences.
Her giant fish's name is Laplace.