Since I'm lame and like making mods more than actually playing a game, I'm going to share what I have here. You have to add these files inside the 'game' folder in the extracted folder.
NOTE: Save your progress and close the game before adding any of the files from here.
Also this is for version 1.0 and might not work on newer versions. This is what each file in the zip does
Update - Post updated with mods for version 1.1
foreplay.rpy - disables foreplay minigame but configures the result as success
journal.rpy - disables the journal minigame but adds a bunch of coins so you can unlock stuff in gallery. Pointless if you're using the next mod.
gallery.rpy - unlocks the whole gallery
options.rpy - enables dev mode, enables rollback (you can use mouse wheel to go back and forth and choose different options etc)
With dev mode enabled, you can do some cool stuff like randomly jump to locations.
For instance, I don't think you'll ever to get to a cheat scene so if you want to see those, do this
1. Yoichi x Hiro
Start a new game
Press Shift+o
type in
jump day20_yoichi
You will jump to a new scene
Shift+o
score_yoichi=-30
You can skip or fast skip (by pressing '>' key) until to get past the choice menus to the scene
2. Natsumi x Hunter
Start a new game
Press Shift+o
type in
jump day11_hcheat
I'm not making any extensive changes here so that scripts shouldn't crash the game. I've found plenty of bugs in the game that causes the game to crash so if you get one of those, let the dev know.
If you don't want to use these mods, just delete the files from the folder. Make sure you save your progress before adding these mods though.