Kind of sad, i mean from the interaction between her and Kei it kind of give me the vibe that there could have been something more.
Personnaly incest or not i dont particulary care, she could be just a close friend that it would be the same,
it's just because i found her particulary adorable but i can understand that it's not so easy to integrate and make it look plausible in the story, but well since you didnt totaly closed the door a man can hope i supose ^^
Either way i was pleasantly surprised and realy liked what i've seen so far , best of luck with your project ^^
Edit : just a little question , so far the game have been kinetic, are some choices planned or will it stay like it is?
Edit : i dont know if it was reported to you , so i just report it here but there is a bug when i try to take screenshot of the game, it take it but it cause some error at the same time