An active energy ray curable composition that is liquid at 25°C, exhibits a viscosity of 300 mPa.s or less at 25°C, and comprises: a monofunctional ethylenic unsaturated monomer having a straight chain including 14 or more carbon atoms, wherein the monomer is selected from one or more of stearyl acrylate, docosyl acrylate and vinyl stearate; a polymerization initiator capable of generating radicals under irradiation with ultraviolet light having a wavelength from 220 to 400 nm, wherein the polymerization initiator comprises one or more of acetophenone, 2,2-diethoxyacetophenone, p-dimethylaminoacetophenone, benzophenone, 2-chlorobenzophenone, p,p'-dichlorobenzophenone, p,p-bisdiethylaminobenzophenone, Michler's ketone, benzoin methyl ether, benzoin ethyl ether, benzoin isopropyl ether, benzoin n-propyl ether, benzoin isobutyl ether, benzoin n-butyl ether, benzyl methyl ketal, thioxanthone, 2-chlorothioxanthone, 2-hydroxy-2-methyl-1-pheny1-1-one, 1-(4-isopropylphenyl)-2-hydroxy-2-methylpropane- 1-one, methyl benzoylformate, 1-hydroxycyclohexyl phenyl ketone, azobisisobutyronitrile, benzoyl peroxide, and di-tert-butyl peroxide; and a solvent capable of dissolving the monomer, wherein the solvent includes a compound having a straight chain including 6 or more carbon atoms, wherein the solvent comprises hexyl acetate, octyl acetate, hexanol, decanol, or dodecanol, wherein the monomer accounts for 20% to 70% by mass, or 30% to 60% by mass, of the active energy ray curable liquid composition, and the polymerization initiator accounts for 0.5% to 10% by mass, or 3 % to 6% by mass, of the active energy ray curable liquid composition, whereby a cured product of the active energy ray curable liquid composition obtainable by irradiating the active energy ray curable liquid composition with ultraviolet rays of 500 mJ/cm 2, is a solid at 25°C and a liquid at 60°C, the liquid exhibiting a viscosity of 5,000 mPa.s or less at 60°C measured using a rotary viscometer, and the cured product exhibiting a compression stress of ≥ 2 kPa and < 10 kPa, or ≥ 10 kPa and < 300 kPa, when compressed such that the strain becomes 1% at 25°C. a monofunctional ethylenic unsaturated monomer having a straight chain including 14 or more carbon atoms, wherein the monomer is selected from one or more of stearyl acrylate, docosyl acrylate and vinyl stearate; a polymerization initiator capable of generating radicals under irradiation with ultraviolet light having a wavelength from 220 to 400 nm, wherein the polymerization initiator comprises one or more of acetophenone, 2,2-diethoxyacetophenone, p-dimethylaminoacetophenone, benzophenone, 2-chlorobenzophenone, p,p'-dichlorobenzophenone, p,p-bisdiethylaminobenzophenone, Michler's ketone, benzoin methyl ether, benzoin ethyl ether, benzoin isopropyl ether, benzoin n-propyl ether, benzoin isobutyl ether, benzoin n-butyl ether, benzyl methyl ketal, thioxanthone, 2-chlorothioxanthone, 2-hydroxy-2-methyl-1-pheny1-1-one, 1-(4-isopropylphenyl)-2-hydroxy-2-methylpropane- 1-one, methyl benzoylformate, 1-hydroxycyclohexyl phenyl ketone, azobisisobutyronitrile, benzoyl peroxide, and di-tert-butyl peroxide; and a solvent capable of dissolving the monomer, wherein the solvent includes a compound having a straight chain including 6 or more carbon atoms, wherein the solvent comprises hexyl acetate, octyl acetate, hexanol, decanol, or dodecanol, wherein the monomer accounts for 20% to 70% by mass, or 30% to 60% by mass, of the active energy ray curable liquid composition, and the polymerization initiator accounts for 0.5% to 10% by mass, or 3 % to 6% by mass, of the active energy ray curable liquid composition, whereby a cured product of the active energy ray curable liquid composition obtainable by irradiating the active energy ray curable liquid composition with ultraviolet rays of 500 mJ/cm 2, is a solid at 25°C and a liquid at 60°C, the liquid exhibiting a viscosity of 5,000 mPa.s or less at 60°C measured using a rotary viscometer, and the cured product exhibiting a compression stress of ≥ 2 kPa and < 10 kPa, or ≥ 10 kPa and < 300 kPa, when compressed such that the strain becomes 1% at 25°C.