Grudge-laden Lackey

The Taesung Gang was everything to its boss, Kang Deokbae. But his golden days come to an end on his 50th birthday, when a rival mob ambushes the gang and fatally injures him. After entrusting Taesung to his loyal subordinates, Deokbae closes his eyes and wakes up 30 years later as Lee Taejun, a 23-