tomorrow world
What if six high schooler were trapped inside of a time loop , will they find a way out or slowly decend into madness .
Non included tags in this apps/website are :mystery,gore,hope vs despair (actually more like boredom/predictable vs the unpredictable/interesting things), chess(you'll see the explanation when you start reading the story), terrorist,natural disasters, calamity,wait didn't we die here,why are we here just to suffer ,we finally won[are you sure about that],everyone suffers (even the minor character that will probably not be bring up in the future chapters after introduction),thriller
If this story seems to similar to the popular horror anime higurashi or the brilliant and amazing fantasy / mystery visual novel umineko then you're right because alot of themes come from the story of 07expansion .
If you think of the story is about slice of life than you're wrong check the tag again pls and if any of my chapter have Grammer problem than pls tell me in the comments because English is not my language.