Looking for a specific novel

I read this novel a few months ago but I can't remember the name of it and it's driving me mad.
It's about a boy who jumped off a cliff in his previous world so that other people couldn't get his treasure. ( he swallowed it just before he jumped) I think it was called Sky poison pearl (or something similar). Then he wakes up in another world. In someone else's body who dies of poisioning.
HE then later finds out his grandfather and aunt are not blood related to him and leaves the village. He also meets a red hairs girl who ends up living in the pearl
Sorry is kinda bad description
Thanks if you know

Comments

  • Against the Gods

    on WW
    “But I don’t want to go among mad people" Alice remarked
    "Oh, you can’t help that," said the Cat "we’re all mad here. I’m mad. You’re mad."
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