Kamen Rider Live is the Rider identity associated with Daiji Igarashi in Kamen Rider Revice, though the form is also linked to the darker persona Kagero. Daiji is a central supporting character and one of the Igarashi siblings, serving as a FENIX officer who strives to protect humanity from Deadman threats. His role becomes more complex as he struggles with Kagero, his inner alter ego, which challenges his sense of justice and identity throughout the series.