If you would like to expedite the update, than you should consider supporting her through either of her links above. The more money she can make from this, the more time she can devote to it.
Plus it is a good quality game worth supporting.
I intended to write this comment 12 days ago, but you know how life gets sometimes.
So, I wanted to start by saying what a great job you have done. I know you have already heard it from a few people, but it never hurts to hear it again.
For starters, I REALLY appreciated how you captured the perfect blend of anime and manga feel. The animations were smooth and well thought out, all the characters looked good, and the scenery was perfect for what you were doing. It was very clear that you care a lot about what you do and the effort you put into it. the blend of humor and seriousness not only continued to maintain the overall feel of the game, but also demonstrated your attention to detail and knowledge of the culture.
Now here is the part where I give my thoughts and opinions on particular things I liked, or thought could use some work. Also, I understand that you are working off donations, and that not everything is doable, but in a world where it is possible I hope to see some of the changes I mention.
Day 1: I won't ay much about day 1 since I read in a previous comment that you would already like to remake day 1. However, I think you should keep the cheat button even if you remake it when dealing with the game club. I think this because their will always be those people who just don't want to engage in such types of games, and since you are working from donations it just helps keep that door a little wider because no rage quitters. However, I think using it should give a tyrant penalty and affect their interactions with others, because you seem to have an idea in mind for that.
Day 2: this was easily my favorite day in the series. it had the mot player choice, the mot interactive spankings, and some of the better animations. It was also the first day you could let hentai-chan spank the school nurse, which personally are my favorite scenes. that being said, it would be nice to have more position variety than just over the knee. Since Kana is the one controlling the scene, after you choose who is spanking who, there should be a choice of positions afterwards like you did with Taiga. Also, I think the spanking animations and dialogue for Hentai-chan spanking nurse day 2 and 3 should be switched. this is because stealing a credit card and buying a robot are more serious offenses than buying a pillow. My point being that to spank her with her hand in day 3 after a paddle in ay 2 seems like a de-escalation of events instead of a progression. story-wise it would also make more sense for Hentai-chan to tell the school nurse she will spank her whenever she raises her poorly the first time, making the second time make more sense. Additionally it would make the part of the day 2 spanking where she threatens to send a picture to grandma more impactful since on day 3 she promises not to tell her. I hope that makes sense and that I didn't make it seem too convoluted. On day 2 you also spanked the dorm girls, I think an option to spank the dorm mommy under the same precedent as the school nurse would have been appropriate. Also you have a few off camera scenes of other people spanking someone, and the ability to watch those would be appreciated. Lastly for day 2, you mention in the shrine that those students spank each other, the shrine being some kind of school club, but later you make it clear that students are not allowed to spank each other, so why does Kana not bring this up? Either more spanking opportunities for those girls, or a clarification on the shrine attenders roles would be appreciated.
Day 3: honestly, I was a little disappointed by day three, because there was less user interaction, and many of the spanking scenes made it look like Kana was holding back a lot. for example, the rich girl with the paint on her butt; you went through the effort of explaining the science of the heat and friction, but the animation itself did not resemble that explanation. It looked like they were just lightly patting away instead of generating enough force to cause the heat and friction necessary to break down the substance. In day 3 though you introduced the RP battle, which I loved, I had hoped for some mini fight before going straight to the boss, but regardless it was immensely enjoyable and I look forward to what you have in store for them in the future.
day 1-3: you had a lot of automated spanking scenes which was cool, but in day one you had a camera button that let you change the view when spanking Yui, which I thought was a great idea. It would be nice to have some numbered buttons to tell you how many angles there are, and that by pressing one it would take you straight to it, instead of having to cycle scene by scene to get a more preferred angle.
Again, the game was excellent, the dialogue well scripted, and a clear story with everything someone could ask for. I did not initially pay for this game, because I wanted to see how it was, but now that I have seen it I want to be a part of it, so you can expect semi-regular donations from me on your aforementioned sites/accounts.
sorry that my comment is so long, I like to be thorough, and speak what is on my mind.
I hope you got something out of my speech at the very least. Thank you again.
I am really loving this game. I would like to see the breasts bounce with the spank. maybe even a partially visible nipple from the side view.
adding dialogue when the underwear and clothing are removed would be excellent.
new skin tones for darker and lighter skins.
voice acting can be expensive, but might be able to find cheaper options on Fiverr.com.
more spanking implements especially a paddle or strap, with customizable pattern (like "slut" that prints onto bottom)
I know this stuff all takes work and money, let me know how I can assist to make these improvements, and some of the other ones I have seen.
I have long looked for a game like this, now that I have found one, I want to do everything I can to help develop it.