되물어주는 comes from the verb '되묻다' (to ask back or echo back) combined with the honorific ending '-어주다' (to do something for someone). It describes the act of something gently reflecting a question back.
In the song, the line "라고 내게 되물어주는 듯해" ("it feels like it's asking me back") personifies the night sky as if it were echoing the singer's own question back to them.
Ever spent a night telling yourself you’re fine while secretly wishing someone would say it for you? That is exactly where DAY6’s "All Alone" meets listeners. Over gentle pop-rock melodies, the singer talks to the night sky, congratulates himself for making it through the day, and repeats honjaya ("alone") like a sigh. The lyrics paint a relatable picture of dressing loneliness in brave words — claiming, "I’m not lonely," even as the cold air becomes his only companion.
Yet the song is not just a midnight lament. Inside the quiet yearning there is a spark of hope: the belief that someone, somewhere might be staring at the same moonlit sky, ready to offer the comfort he craves. "All Alone" turns solitude into a shared experience, reminding us that behind every closed bedroom door there may be another heart beating to the same rhythm, waiting to say, "You did well today."