My babies god that hurt bad the last time I read this there was only around 40 chapters with only the good times. I thought I could read a romance manga with a yandere before sleep but on well its 8AM
In my theory I think satako lived for a few more weeks maybe a month or two but then later died and she wrote whenever she could during that Time and those are the letters.how she wrote "idk how many times ive written the same thing" basically kinda told me she was losing her mind as well
the end was shinpei hallucinating and sort of meeting her thru the letters in their old house I think its symbolising that time was frozen for him like he never forgot her I also dont believe she is still alive as she would've reached out to him if she was
I C