Liquid flexible adhesive composition

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PROBLEM TO BE SOLVED : To suppress hydrolysis of a biodegradable cationic surfactant with time while suppressing an aroma change of a liquid softener composition during storage.SOLUTION : The liquid softener composition includes (A), (B-1), and (B-2), and the mass ratio of (B-1)/(B-2) is 0.2 to 10. The (A) includes at least one cationic surfactant selected from amine compounds containing at least one ester group, neutralized compounds thereof, and quaternary compounds thereof. The (B-1) includes an ester compound represented by "R-COO-R(Rand Rare a hydrocarbon group in which a carbon number is 10 or less)". The (B-2) includes hydrocarbon compounds such as myrcene, alloocimene, ocimene, dihydrofarnesene, 1, 3, 5-undecatriene, 4-isopropyl-1-methyl-2-propenylbenzene, diphenyl, and diphenyl methane.