Making a new comment a year later, just to write down my thoughts:
I can't even truly describe how much I love Cor. The way it handles the dynamic of the friend group, the fun times as well as the arguments. It feels very realistic and nuanced. It all makes sense. The characters are unique and pretty expressive, with layered personalities. I love them all! There were several moments throughout this VN where I stared at my screen wide-eyed, thinking "Damn, this is great!". I really like the pacing too. Throughout the first few days it clearly hints at something deeper, but it doesn't drag out the mystery. Things become clear as the plot reaches a climax.
Cor is definetly up there for me, in terms of favourite FVN. It just really resonated with me on a personal level. I love the general vibe of wholesome and fluffy. It's such a feel-good VN and I'm here for it. Every scene is a joy to read through >w<
About the art, it's simplistic but pleasant. It might not be the best art there ever was, but it has a personal flair. I honestly like it, the poses and faces are as expressive as the characters themselves.