Can I Recover My Emotions After Transforming, Even Though I'm Heartless?

Once upon a time, there was a beast and a girl. Each quietly waited through the river of time for what they sought, for a thousand years, two thousand years, until four thousand years had passed.

The four-thousand-year wait was over. The beast’s remains awoke as a girl. The beast had existed to protect its master, but its master was no longer its master, and the beast was no longer a beast.

The beast longed for a quiet life like a plant. The best world was one where it could be with its master.