i feel like the amano parents purposively switched them on purpose and asked sosuke to do it... maybe the dad was worried that since both of his sons grew up with wealth they wouldnt value hard work like he did so he made his youngest grew up in poverty to toughen him up.
i feel like the amano parents purposively switched them on purpose and asked sosuke to do it... maybe the dad was worried that since both of his sons grew up with wealth they wouldnt value hard work like he did so he made his youngest grew up in poverty to toughen him up.