"Sad Ending" is a song by the South Korean boy group UP10TION. The lyrics convey the emotions of heartbreak and longing after a breakup. The protagonist of the song is still unable to forget their former lover and finds themselves constantly thinking about them every night. They express their wish for their feelings to be reciprocated and for the memories of their past relationship to be cherished. The protagonist admits to still being in love, crying and begging for a chance to make things right, but despite their efforts, they have to face the painful reality that their relationship has ended. The lyrics also emphasize the internal struggle of letting go and moving on. The protagonist questions when and how their love went wrong and wonders if they had always been destined to be alone. They try to deny their feelings and push their former lover away, but deep down, they still yearn for them and find it difficult to accept the fact that they have to part ways. The song highlights the pain of a "sad ending" in a relationship, where the protagonist finds it hard to forget their former lover and is left with lingering love and memories. Despite the sadness and heartache, they continue to hope for reconciliation and express their deep love for the person they have lost.
