（´＿｀）
Downcast Face Kaomoji
Sadness kaomoji — click to copy, then paste anywhere text works.
The eyes are two full-width underscores ＿, creating a flat, expressionless gaze, and the mouth is a simple apostrophe-like mark that droops downward. It communicates a subdued, resigned sadness, suitable for acknowledging a letdown or a low-energy moment in casual conversation.