A, B, C and D are all girls.
... NO. NO. NO, this is not a GL four-corner love story.
They are friends, both near and far.
They have been friends for several years and will continue to do so.
They themselves, each other, and those around them are changing every day.
There is always a time for new things and old things.
Well, that's the introduction.
As for the detailed information of each character, it won't be clear for a while. (Passerby A: The author didn't even think about what kind of creatures he wanted to write about!)
Friendly reminder 1: Life sketches are all ordinary things, more than vulgar, not enough creativity - just trivial, extremely lacking in thrilling waves and earth-shattering - great responsibilities are not given to ordinary people like us.
Friendly reminder 2: Chapter stories are not coherent, that is, you can read them from any chapter~