The song "점점 어른이 되나봐 (28)" by Agust D featuring NiiHWA delves into the theme of growing up and the transition to adulthood. Agust D reflects on his life experiences, stating that he is getting older and learning more about the world. Despite his growing understanding of the world, he feels that there are still things he doesn't know, and that not knowing can be even more difficult.

He speaks of looking at a different world, one that is completely different from the dark room he is in. He questions his memory and wonders what he wanted in the past, making him feel afraid of what he has become as an adult and where his dreams went.

In the chorus, the song talks about the struggle of adulthood, where even though the body rests, the heart feels like it's breaking. The pressure to chase dreams and succeed may sometimes feel too heavy to bear, leading to a sense of confusion. The post-chorus highlights the expected changes at every stage of life that never seem to happen and the realization of what may or may not have changed.

In the second verse, the song speaks about the moments we all experience where we can't help but cry for no apparent reason. Agust D concludes that he is content with life, without worrying or being burdened by it. However, he is still filled with fear of adulthood and the dissolution of his dreams.

In summary, the song "점점 어른이 되나봐 (28)" presents a poignant reflection of growing up and the uncertainty and fear that come with it, especially when one's dreams seem to have been lost along the way.