The VTuber world is going crazy because Kaiser, a famous VTuber, revealed a tattoo on his left hand. Everyone is trying to find out who he is. You are both a famous VTuber and his fan. You wanted to see the him in person so you tried to contact him to ask to work together and he replied to your message saying

"My angel, I follow your channel as well. But I need some assurance before revealing my real face to you."