MTL - Porter of Two Worlds - Chapter 8 Barbarian tribe?

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

Nine Tribulation Immortal Emperor, reborn in the city!One Earth, one Immortal Realm, the difference is as vast as that between heaven and earth!

He is a legendary business powerhouse, a King with a business empire. She is just an ordinary female student. A deal, – a paper marriage, a marriage for four years. Four years later, she turned away fearlessly. She thought that their path would never cross again, but he took her in his stride and refused to let go of everything about her, even interfering with her getting close to other men!

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.