The problem of the present invention is to provide a composition capable of imparting rich and continuous kokumi taste to a food or drink, which does not mask the top aroma and/or flavor of the food or drink, and does not cut the last aroma and/or flavor. A composition containing a kokumi taste-imparting substance and 1-octen-3-ol and/or 1-octen-3-one, for imparting kokumi taste to a food or drink.