I think a better ending would be that he drowned in the pool when he imagined chihiro having sex like a normal person and cried like a little baby
then chihiro pulls the plug so she can go on a date with her fiancee and it cuts to a close up of the ring on her finger
300 chapters and another reminder that the main relationship is incredibly unhealthy
kazuya gives "don't let him near your kids" vibes and chihiro is a personality vacuum
the best ending will be both realising they're not right for each other and finding happiness elsewhere
There will be no explosion, just the reignition of the hydrogen surrounding the core. Eventually, the sun will blow off it's outer layers, exposing the fusion core which will be the white dwarf.
exactly what I was thinking
I presume LINE works like any sort of messaging app and you would literally see the last messages above the one your were typing