Check out the rest of my work as well and read the guide!
THIS IS THE ORIGINAL DECK, ANYTHING ELSE NOT DIRECTLY MENTIONED HERE OR ON THE GITHUB WAS DONE WITHOUT MY KNOWLEDGE, INCLUDING ANY AI OR PAID MODIFICATIONS TO THE DECK.
Kaishi 1.5k is a modern Japanese deck in the spirit of Core 2k but with additional features, better coverage optimized through frequency sorting and a modular nature. You can read about the origin of the deck here. You can see the various deck options here. Please use the GitHub page to report issues with the deck. If you have an issue with the deck, chances are others will as well.
NOW WITH PICTURES!
If you struggle with kanji, consider doing this related radicals deck.
Disclaimer: This deck is meant to jump-start your immersion. Once you are done with the deck, you are encouraged to start immersing in the language using Yomitan and similar tools. For a guide explaining how immersion works, please see my guide to learning Japanese.