I always like to try "cultivation games", and most of them fall into the exact same track of too many features thrown at you at once, and unengaging gameplay. this was literally the opposite. the mini games follow a similar vein but remain differently enough to provide some longevity. the gameplay unfurls in absorbable pieces, and the game itself is fun.
Suggestions:
Descriptions for the skills on the left. (probably something you already intend to do)
A reward for completing a "letter", although this does counter the "the slower you write the letter the more you get from each letter" so feel free to ignore me.
as a very early build. solid 8/10.