**Dokgo** is a brutal and emotionally charged action manhwa that dives into the violent underworld of school gangs, revenge, and brotherhood, following Kang Hyuk, a quiet and intimidating transfer student whose arrival at a new high school masks a singular purpose rooted in tragedy and loss, as his overwhelming fighting ability and cold determination quickly draw the attention of powerful delinquent groups and criminal organizations controlling the school system from the shadows, unfolding into a relentless narrative driven by raw street fights, power struggles, and uncovering the truth behind a past incident that destroyed his family, delivering intense hand-to-hand combat, psychological pressure, and a grim atmosphere that highlights the cruelty of unchecked violence and corruption among youth, while exploring themes of revenge, loyalty, guilt, and the emotional cost of living solely for retribution, blending gritty artwork with fast-paced action and escalating stakes that keep the story grounded and unforgiving, earning recognition as one of the standout Korean delinquent manhwa and spawning popular sequels and spin-offs that expanded its universe, also known as Dokgo manhwa, Dokgo manga, 독고, Min manhwa, Baek Seung-hoon manhwa, Kang Hyuk manhwa, school gang manhwa, revenge action manhwa, and hardcore delinquent fighting series.