"Passport NFT" a proof of membership, is a non transferable NFT (SBT type/format - Soul Bound Token). Lab members will be able to stake their "Shuriken NFTs" into anime projects or individual projects that they want to support and it will directly reflect to their passport. In addition, the "Passport NFT" will grow based on how many "Shuriken NFTs" are used. You can visualize how much support you have provided to the "Anime Project" based on the status and, receive "Special benefits such as limited NFTs" based on the growth of your "Passport NFT".