SPOILERS
1. My favourite girl is Kutsu. My least fourite is Yoko
2. I like Kutsu the most beacause she is very pretty, charming, graceful, caring and interesting person. She's childhood friend of Suki and she likes to be sure everything is fine with her friend :) .The only weird and a bit out-of-place element is her interest in bdsm stuff. It was totally unexepted. I don't think it fits her... but it's only my opinion. That moments when she doing brave things to protect Suki from bullies are heartbreaking and kinda adorable and impressive.
3. Yoko is always trying to show how dangerous and badass person she is. But she's small so it's rather looks funny and vey cute. OK, I like her but not as much as rest of the girls.
4. I like Suki. She's shy, quiet, avoid social interactions type. She's of course pretty and adorable too.
5. Scenes are long enough. Some of them maybe a bit too short but it's fine.
6. Yes of course. Just make sure to draw better sprites and gui, and eliminate all the bugs. Plus you could change a bit few things in plot (in example Kutsu bdsm interest... )
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8. Well, very interesting plot, a lot of good CG's, few interesting romance option (each with her own route), meaningful choices, few endings, yuri,
9. actual visual novel style of game is ok and I would not change it but who knows, maybe I'm not right
10. As I said better sprites, gui and few plot adjustments and this game would be totally great ♥
And I really think this game really doesn't need polyamorous routes.
- I played Kutsu's first