Ryuu Kusari no Ori -Kokoro no Uchi no “Kokoro”- - Chapter 6.03

A story about a traveler who crossed into a parallel universe, relying on his Proficiency ability to continuously grind experience and become stronger.

In this post-apocalyptic world filled with beasts, humans must join together with their newly acquired classes to battle them. However, beasts aren't the only thing threatening the peace as class users similar to those around Kaden make moves in the shadows. Join Kaden in his adventure as a class user uncovering the dark secrets of those around him whether he wants to or not and paving his way through this treacherous world.

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Everyone dreams of being summoned to a magical world.Everyone… except me.I’m Alan. Thirty-something, white-collar worker, zero hobbies, one annoying best friend named Bob. Bob’s an anime-obsessed otaku whose life goal is to become the hero of an isekai world. I just wanted to go home, take a shower, and sleep.But then Bob opened a portal to another world in his living room.And guess who got sucked in with him?Now Bob’s the Chosen One, blessed by world and received legendary weapons and magic.Me? I’m the guy carrying his bags, dodging fireballs, and wondering if fantasy world have proper sewage system.This is the story of how my best friend became a hero……and how I accidentally became his sidekick.