Hiya Negi...
Not really sure how this is maple related except that there are snails and it features your maple character, but that's okay. :) Also, be careful, there are a few typos and such throughout the story.
Drawing is okay, some of it's cute, the lines seem a bit simplistic but if it's your first time drawing then kudos for the effort :)
The story is okay, but not overtly exciting - since you're going to deviate from the game, you can embellish and add more things if you want to spice it up. I'd suggest thinking about the overall plot before you start drawing; might make it go easier :)
Keep up the drawing hehe, it's really fun to do artwork. I hope your friend really didn't give you a massive wedgie, though...