Ikki Igarashi
he is possessed by vice (his inner demon)

normal mode: https://media.discordapp.net/attachments/1001038273461895168/1006887112592855091/8ba766c21f6f9fbea53e4d4cb33c5fa1d7e9f275.png

tag: kamenrider,revice,revi,vice,demon,rizki,tail