I give it 10 points.

And then I deduct:

-1 for censorship/propaganda
-1 for that horrible ending in the last episode. They crafted such a nice vehicle over the course of 77 episodes and then crashed it into a wall in the last episode. Don't worry, it's not an ending that makes you cry because something horrible happens. It just makes no sense at all. And it is crammed into an episode lasting 6.5 minutes.
-1 for missed opportunity in the bromance department. For me, the bromance was what carried me through the series. They were very good at portraying that the two lead characters are deeply in love without saying it out loud. However, I was surprised how they didn't give us any fan service at all (unlike others censored BLs like Advance Bravely or Stay with Me). There is basically no physical touch between the two leads. Not by accident, not in a platonic way, and no acts of service, like a wet towel bath, etc. And while every "door" forces them to have sleepovers, only in the very early doors do they share a double bed, then later it is always bunk beds or separate beds - why?? Another example of a missed opportunity: in one world, they have to walk in the rain under one small umbrella, and if they get wet, they will die. Wouldn't you try to be extra close? They didn't :(

Which leaves us with 7.

What I liked additionally:
- the actors are all very good, with only rare exceptions
- many lovely side characters
- while it was repetitive, I liked the music
- the visual style

Also, why was the face of the programmer friend from university never shown but hidden inside a hoodie? I expected a big reveal in the end. Didn't happen.