It's a little bittersweet to see Jinwoo reunite with his family and have a very brief respite.

Source: https://www.cbr.com/solo-leveling-ending-jinwoo-fate-explained/

The story revolves around Sung Jinwoo, the infamous world's weakest Hunter, who receives the opportunity of a lifetime when he becomes the Player of a System that allows him to level up, without limits, via completing tasks and defeating monsters.

Source: https://www.cbr.com/solo-leveling-why-iron-left-jinwoo/