I've read a ton of post-canon 'Solo Leveling' fics, and Jin Woo's relationship with his dad is one of those things that writers love to explore. Early on, it’s all about the distance—literal and emotional. His dad was missing for years, and Jin Woo had to grow up too fast. Post-canon, a lot of fics dive into the awkwardness of reconnecting. There’s this unspoken tension because Jin Woo isn’t the same kid his father left behind. He’s the Shadow Monarch, a powerhouse, but also... lonely. Some fics handle it with slow burns, where they rebuild trust over shared missions or quiet dinners. Others go for angst—his dad struggling with guilt, Jin Woo torn between resentment and wanting that bond back. The best ones balance both, showing how they learn to see each other as they are now, not as memories.
A recurring theme is Jin Woo’s protectiveness. He’s strong enough to shield his dad from everything, but that creates its own friction. His dad was a hunter too, proud, and suddenly being the one protected? It’s a clash of pride and love. Some fics have them arguing about it, others show silent understanding. There’s a standout trope where his dad becomes a shadow soldier—not as a creepy thing, but as a way to stay by his son’s side. It’s bittersweet, but it works because it mirrors Jin Woo’s own journey. The fics that nail their dynamic make you feel the weight of all those lost years, but also the hope in the small moments—like his dad learning to joke about the shadows, or Jin Woo finally calling him 'Dad' without hesitation.