As always, back up your saves before installing. The update is compatible with previous saves, but a fresh start is recommended for the full revised experience.
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It had been a few months since Lei had entered their life, and there was no going back to how things were before. They first noticed Lei on a peculiar day in late August, exactly on the 20th. There was something undeniably charming about him, a magnetic pull that drew them in. As always, back up your saves before installing