A reactive silicone composition for forming a hotmelt material, comprising: an organopolysiloxane resin represented by the following average unit formula: (R 1 3 SiO 1/2) a (R 1 2 SiO 2/2) b (R 1 SiO 3/2) c (SiO 4/2) d (R 2 O 1/2) e wherein each R 1 independently is a monovalent hydrocarbon group having 1 to 10 carbon atoms, with the proviso that 4 to 12 mol% of all R 1 in a molecule are alkenyl groups; R 2 is a hydrogen atom or an alkyl group having 1 to 10 carbon atoms; and a, b, c, d, and e are numbers that satisfy: 0.35 ≤ a ≤ 0.60; 0 ≤ b ≤ 0.1; 0 ≤ c ≤ 0.1; 0.40 ≤ d ≤ 0.65; 0 ≤ e ≤ 0.05; and a + b + c + d = 1, in an amount of 15 to 50 % by mass of total amount of components to; an organopolysiloxane resin represented by the following average unit formula: (R 3 3 SiO 1/2) f (R 3 2 SiO 2/2) g (R 3 SiO 3/2) h (SiO 4/2) i (R 4 O 1/2) j wherein each R 3 independently is a monovalent hydrocarbon group having 1 to 10 carbon atoms except for an alkenyl group; R 4 is a hydrogen atom or an alkyl group having 1 to 10 carbon atoms; and f, g, h, i, and j are numbers that satisfy: 0.35 ≤ f ≤ 0.55; 0 ≤ g ≤ 0.2; 0 ≤ h ≤ 0.2; 0.45 ≤ i ≤ 0.65; 0 ≤ j ≤ 0.05; and f + g + h + i = 1, in an amount of 20 to 45 % by mass of total amount of components to; a diorganopolysiloxane represented by the following average formula: R 5 3 SiO(SiR 5 2 O) k SiR 5 3 wherein each R 5 independently is a monovalent hydrocarbon group having 1 to 10 carbon atoms, with the proviso that at least two R 5 in a molecule are alkenyl groups; and k is a number of 20 to 5,000, in an amount of 10 to 40 % by mass of total amount of components to; an organohydrogenpolysiloxane having two silicon-bonded hydrogen atoms in a molecule, in an amount that component gives 0.1 to 0.6 silicon-bonded hydrogen atoms per one alkenyl group in components and; an organohydrogenpolysiloxane having at least three silicon-bonded hydrogen atoms in a molecule, in an amount that component gives 0.1 to 0.5 silicon-bonded hydrogen atoms per one alkenyl group in components and; and a hydrosilylation catalyst in a sufficient amount to conduct a hydrosilylation of the composition. an organopolysiloxane resin represented by the following average unit formula: (R 1 3 SiO 1/2) a (R 1 2 SiO 2/2) b (R 1 SiO 3/2) c (SiO 4/2) d (R 2 O 1/2) e wherein each R 1 independently is a monovalent hydrocarbon group having 1 to 10 carbon atoms, with the proviso that 4 to 12 mol% of all R 1 in a molecule are alkenyl groups; R 2 is a hydrogen atom or an alkyl group having 1 to 10 carbon atoms; and a, b, c, d, and e are numbers that satisfy: 0.35 ≤ a ≤ 0.60; 0 ≤ b ≤ 0.1; 0 ≤ c ≤ 0.1; 0.40 ≤ d ≤ 0.65; 0 ≤ e ≤ 0.05; and a + b + c + d = 1, in an amount of 15 to 50 % by mass of total amount of components to; an organopolysiloxane resin represented by the following average unit formula: (R 3 3 SiO 1/2) f (R 3 2 SiO 2/2) g (R 3 SiO 3/2) h (SiO 4/2) i (R 4 O 1/2) j wherein each R 3 independently is a monovalent hydrocarbon group having 1 to 10 carbon atoms except for an alkenyl group; R 4 is a hydrogen atom or an alkyl group having 1 to 10 carbon atoms; and f, g, h, i, and j are numbers that satisfy: 0.35 ≤ f ≤ 0.55; 0 ≤ g ≤ 0.2; 0 ≤ h ≤ 0.2; 0.45 ≤ i ≤ 0.65; 0 ≤ j ≤ 0.05; and f + g + h + i = 1, in an amount of 20 to 45 % by mass of total amount of components to; 0.35 ≤ f ≤ 0.55; 0 ≤ g ≤ 0.2; 0 ≤ h ≤ 0.2; 0.45 ≤ i ≤ 0.65; 0 ≤ j ≤ 0.05; and f + g + h + i = 1, in an amount of 20 to 45 % by mass of total amount of components to; a diorganopolysiloxane represented by the following average formula: R 5 3 SiO(SiR 5 2 O) k SiR 5 3 wherein each R 5 independently is a monovalent hydrocarbon group having 1 to 10 carbon atoms, with the proviso that at least two R 5 in a molecule are alkenyl groups; and k is a number of 20 to 5,000, in an amount of 10 to 40 % by mass of total amount of components to; an organohydrogenpolysiloxane having two silicon-bonded hydrogen atoms in a molecule, in an amount that component gives 0.1 to 0.6 silicon-bonded hydrogen atoms per one alkenyl group in components and; an organohydrogenpolysiloxane having at least three silicon-bonded hydrogen atoms in a molecule, in an amount that component gives 0.1 to 0.5 silicon-bonded hydrogen atoms per one alkenyl group in components and; and a hydrosilylation catalyst in a sufficient amount to conduct a hydrosilylation of the composition.