PURPOSE: The titled ink having improved drying resistance at a printer head, chroma, color concentration, etc. of printing, comprising specific dye, a water- soluble organic solvent, water urea, cationic activator, specific amine salt, and ethylene oxide addition type activator.

CONSTITUTION: The aimed ink comprising (A) acid dye and/or direct dye, (B) a water-soluble organic solvent, (C) water, (D) urea(derivative), (E) a cationic activator and one or more of 4W12C amine hydrochloride, sulfate, formate, acetate, and lactate, and (F) an ethylene oxide addition type activator.

EFFECT: Having improved color reproducibility and water resistance when color recording image is formed by color mixing method of subtractive color process by the use of black, yellow, magenta, and cyanic ink.