Content display device, and content display method

A content display device comprising:

• processing circuitry configured to
• acquire sensing information of a sensor that observes a viewing area that is an area where a display is viewable;
• identify each of two or more users present in the viewing area on a basis of the acquired sensing information, and transmit identification information of each of the users to a personal authentication server that records personal information;
• acquire personal information corresponding to identification information of each of the users from the personal information recorded in the personal authentication server;
• determine one or more video content to be included in video content in accordance with each piece of personal information corresponding to personal information of each user, as video content corresponding to each user;
• and generate two or more video content including the one or more video content;
• and
• cause the display to display each piece of the video content having been generated,
• wherein the processing circuitry repeats processing of randomly selecting video content to be displayed on the display from two or more pieces of the video content having been generated, and causes the display to display the selected video content.