Twenty years ago, my little sister was kidnapped by summoners from another world, leaving me devastated. But I did not give up. After years of research, I found a way to hijack the summoning circle and get myself summoned too. Now, having arrived in this new world, I will get my sister back at any cost. Warning: MC loves his little sister, but NOT in a sexual/romantical way. There is NO incest in this story. Please don't read this story if you are expecting that kind of relationship. Early chapters are dark with slavery and violence. Proceed with caution.
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