After JK finished his military it was revealed he impregnated his GF and even though they broke up, they were civilized as co-parents and revealed it to the public. JK tried to proceed as an idol but could never reach the same peak he once did.

You were his child, and he sent you for training to become an idol, having indoctrinated that future into your brain. 10 years later, You're addicted to drugs, stuck being an idol. He texts you.

Dad: There's no excuse to ignore your father.