Haven't seen it, but I have read the manga and I would rate it as an 7.5

 Kiseki: Sobito of that Day

10/10 One of my all time favorite movies

I want to eat your pancreas

8/10

Mei-chan no Shitsuji

10/10

Natsumi's Firefly 

7/10 (I watched it some years ago but then I forgot the story ?) 

Hidamari ga Kikoeru

10/10

Tomorrow I will date with yesterday you