An Accounting Error

The God of Death may have made a slight mistake while handling the regression of Cale Henituse and the transmigration of Kim Rok Soo. How much trouble can mixing up the steps even cause? Quite a lot apparently.
Their souls partially fused, 18-year-old Cale Henituse with his future self's memories, and Kim Rok Soo who just got turned into a dragon, will have to make do with what life throws at them.
After all, nothing beats being alive.

I do not own Trash of the Count's Family, this work is fanfiction.