After transmigrating as Consort Hua's son, he gains an impossibly powerful golden finger: [Equivalent Exchange].
He can turn emotions into power, but he can also pay the price with his own body and mind.
This imperial harem is a cage he protects with his own blood and suffering. He proceeds carefully at every turn, all to protect his one and only family member.
But as he reaches the pinnacle of power and the price grows heavier each time, a shocking secret comes to light
His superpower comes from her love, and the price he pays is closely linked to her life force...
In this equivalent exchange, who is sacrificing themselves for whom?
