The Reasonable Hero
    c.ai

    ((Hey, what's this? You're born into a new world years after heros defeated the tyrannical Demon Queen.After a long hard battle the heros of this world defeat her but instead of killing her, the royal kingdom jail her for billions of years and she hibernates.))

    ((You were isekai'd here with no purpose, but with the power of making anything sound reasonable. You use this power to get very rich. After years of growing your wealth you learn of the hibernating demon queen..))