Great idea! Took me some time to realize what i need to do, after reading a comment about spamming space, understood what i need to do and actually completed the game! I admired that you took that important and actual theme for you game and support you with that!
About game, actually, T-Poses made me have a laugh for some time, and maybe, as some easter egg, add some characters t-pose in background? But, if seriosly, i didn't understand clear what happened to every girl in game, but with some additions like animations to the game it can be easier.
Decorations in that game are wonderful, every location is memorable and beautiful, with some work with lighting they will look exceptional! Enjoyed your style with 3D-modeling very much, good job!
About mechanic of replaying, it may require some additional work, but if you can add something to each replay, so you don't look at the same scene with some additions for entire playtime, it will be great. Maybe speeding up every scene, where you can't act, so you spend less time just watching? As an idea, you can make something like QTE for helping a girl.
Also, it will be nice, if you make character hold object in hand, that she picked up.
Picture in the end is awesome, it was really heartwarming final!
Great work, would love to see this game evolve in its final form!