TLDR : The stories are excellent, the glossary is marvelous and you really should try it out.
Longer version:
Pros:
- The GLOSSARY DUDE!! I learned so many slang from the roaring years and it's written in a quirky and funny way.
- Good music
- Great arts (the backgrounds and occasional animations are so nice)
- All the good endings are nice and fluffy
- The bad endings are heart wrenching (seriously!)
- On your second playthrough, you get to have extra inner dialogs from the love interest
- It's easy (you won't need a guide to get every extra pictures)
- The characters are really well fleshed out for such a short game
- it's free
Cons:
- It's really short (2-3 hours top top)
- You only have a couple of choices
- The good ends scenes are a bit fast pace (but still really good)
Suggestions:
- Would have loved to have a bit more flirting scenes
- Would have been nice to be able to hear vivi's singing (but I understand that would need songs with rights and stuff)
- Whish there were a bit more Mary in there somewhere
All in all, I strongly recommand it!