Go on contract page on polygonscan: https://polygonscan.com/address/0xed253733a7a4bf8bdbaa5579c8a9829862255485#writeContract.
Connect your wallet.
Scroll to "2. mint"
Enter 0 in the first field if you are the owner, enter 3 if you are a normal user as it costs 3 matic to mint (:warning: do not send more than 3 matic per mint, it will only mint 1 NFT per transaction), profits will be sent to charity.
Enter the address that should receive the NFT in the second field.
Click write and confirm in your wallet.
Wait 2/3 minutes and you should receive the NFT in your wallet, can also see it on opensea: https://opensea.io/collection/sushi-hime.