This is a Tokyo 7th Sisters Harukasu Harukasu can badge. Diameter: 7.5cm "Tokyo 7th Sisters" is an idol-raising rhythm & adventure game set in the future, the year 2034. In one of the modes, "Live Stage," you can enjoy a full-fledged rhythm game with songs by the idols belonging to Nanasta as background music. The game also incorporates card game elements, such as making it easier to earn scores depending on the pre-set deck, which is also attractive. This is a can badge of the character Harukasu Harukasu from the game.