If you’ve ever wondered what it looks like when a character climbs from the bottom of the power ladder to absolute godhood, Sung Jin-Woo from Solo Leveling is the answer. He starts as the weakest E-rank hunter, barely surviving a double dungeon, and ends as the Shadow Monarch—a being so powerful he can stop time and raise armies of the dead.

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Age at series start: 20 (born ~2017 relative to series) · Height: 176 cm (5 ft 9.3 in) · Rank at debut: E-rank hunter · Final rank: Shadow Monarch (above S-rank) · Japanese voice actor: Taito Ban · English voice actor: Aleks Le

Quick snapshot

1Who is Sung Jinwoo?
2Key abilities
3Relationships
  • Wife: Cha Hae-in (Solo Leveling Wiki (character profile))
  • Friend: Lee Joohee (unrequited) (Solo Leveling Wiki)
  • Father: Sung Il-Hwan (Solo Leveling Wiki)
4Age and height
  • Age: 20 at start (fanon and series context) (Solo Leveling Wiki)
  • Height: 176 cm (approx) (Solo Leveling Wiki)
  • Appearance evolves with power (Solo Leveling Wiki)

Seven key facts about Sung Jinwoo, drawn from the series and its adaptations:

Attribute Value
Alias Shadow Monarch (Solo Leveling Wiki)
First appearance Chapter 1 / Episode 1 (Wikipedia (open encyclopedia))
Rank at debut E (Solo Leveling Wiki)
Final rank Beyond S (monarch tier) (Solo Leveling Wiki)
Voice actor (English) Aleks Le (Solo Leveling Wiki)
Voice actor (Japanese) Taito Ban (Solo Leveling Wiki)
Class Mage / Summoner (Yahoo Entertainment)

Why is Solo Leveling rated 18+?

The series carries an 18+ rating for its graphic violence and gore. Common Sense Media (parental guidance resource) notes that monster deaths are depicted with blood and dismemberment, and human deaths are equally brutal. The anime adaptation retains this intensity—Episode 8, aired March 2, 2024, drew attention for its violent content.

Content warnings: violence and gore

  • Monsters are shown being sliced, crushed, and dismembered (Solo Leveling Wiki discussion)
  • Human hunters also suffer graphic injuries (Common Sense Media)

Age rating by region and platform

  • In South Korea, the webtoon is rated 15+ for violence (Wikipedia)
  • International streaming platforms like Crunchyroll label the anime TV-MA (Solo Leveling Wiki)
The upshot

Parents and new viewers should expect an action-horror tone, not a shonen adventure. The rating is earned by consistent on-screen brutality, not just occasional scares.

Who did Sung Jinwoo marry?

Jinwoo marries Cha Hae-in, a fellow S-rank hunter, in the epilogue of the manhwa. Their son, Sung Suho, appears in the side stories that continue the world after the main conflict.

Cha Hae-in: relationship timeline

  • First meets Jinwoo during the Red Gate arc (Solo Leveling Wiki (character profile))
  • Develops romantic feelings as they work together (Solo Leveling Wiki)
  • Marries him after the final battle (Solo Leveling Wiki)
  • Becomes mother of Sung Suho (Solo Leveling Wiki)

Why he chose Cha Hae-in over Lee Joohee

Lee Joohee was a healer on Jinwoo’s early teams, but the relationship never deepened romantically. Cha Hae-in, by contrast, matched his power level and understood the life of a hunter. The connection grew through shared danger and mutual respect.

Bottom line: Cha Hae-in is Jinwoo’s canonical wife and the mother of his child. Lee Joohee remains a friend but never a romantic interest. The pairing is widely accepted as the series’ primary romance.

Why is Sung Jinwoo so powerful?

Jinwoo’s power stems from two unique sources: the System and the inheritance of the Shadow Monarch. The System is a game-like interface that allows him to level up—something no other hunter can do. And after defeating the original Shadow Monarch Ashborn, he inherits the full authority of the position.

System mechanics and leveling