"Sudden Rain" (소나기) by Eric Nam is a heartfelt and emotional song about the internal struggle of having feelings for someone and the fear of the consequences that may arise from those feelings. The lyrics express the dilemma of the narrator who knows that it is not acceptable to have these feelings and that they shouldn't act upon them. They question whether simply loving the person is enough and if they can deceive themselves and the person they love in order to be together. However, despite their reservations, they acknowledge their own desires and express the fear of losing the person they care about if they continue down this path. The title "Sudden Rain" itself is a metaphor for the sudden and unexpected arrival of these intense feelings, much like a rain shower that comes out of nowhere. The lyrics portray the internal struggle and contemplation of the narrator as they grapple with their emotions and the fear of the unknown. Overall, "Sudden Rain" delves into the conflicting emotions and fears that arise when one falls in love and the fear of the potential consequences that may arise. It showcases Eric Nam's skill in evoking raw emotions through his heartfelt vocals and the lyrics that resonate with listeners who may have experienced similar situations.