Fics like A Kaslana's Oath

Save humanity. Purge the Honkai. That was the oath he made. Convinced to give the humanity of this era a chance, Kevin Kaslana finds himself flung 1500 years into the future. With a new body and a new life, he must discover what his purpose is with this second chance. But a Kaslana's Oath never changes. Now if only his new sister could stop landing herself into trouble.

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