Very sweet!!!

Edit: Okay it's getting dark near the end.  I understand why the trigger warning is there now.

Overall, the artwork, background, movements, GUI, everything visual is very well done and amazing!!! Great job to the art and programming team!!!

The characters are interesting, they have clearly distinctive personalities and Isaac's inner dialogue is golden!! The story is written in a way that's paced quickly but not rushed, we get to the important parts of their relationship and don't waste time on idle every-day chatter (which can be good for a chill relaxing game but for this I think we're more interested in their development) and I appreciate the way the story tells their relationship.  Going from seeing everything in rose-tinted lenses to the undertones of a darker relationship starting to form.

Seriously, great job Abyss Team!!