MTL - World of Cultivation - ~ Eighty-seventh-seventh horn of the king [first]

Suddenly a high school student Subaru Natsuki has been summoned to another world on the way back from the convenience store. With the biggest crisis of his life being summoned to another world and no sign of the one who summoned him things become worse when he is attacked.

When a person dies, they either die light as a feather (aka unimportant) or heavy as Mt. Tai (aka very important).

“I hesitated before, I turned back to face my shred of hope, yet still no one cared.”“Later the thick fog arose, you said you loved me so much, but why is your love even fainter than the fog, so faint that I can’t even see it clearly.”

In the post-apocalyptic age, men were damned.