GACHIHO mint date is 2017-06-16. 100 were issued.
Memorychain and Oasis Mining are likely the most well-known Japanese vintage NFT project outside Japan. After Rarepepe went viral in the global community, Japanese artists also took an interest in it and started creating their own Rarepepe art around Series 5.
GACHIHO is from Oasis-Mining: http://kasaneate.starfree.jp/om/
The cards from the Memorychain/Oasis project are on Bitcoin/Counterparty.
https://xchain.io/asset/gachiho
Quick History on MemoryChain and Oasis-Mining by Koji Higashi, one of the historical assets pioneers and founder of MemoryChain:
https://medium.com/@coin_and_peace/history-of-vintage-nfts-in-japan-the-almos...