Resin composition, hydrogenated conjugate diene block copolymer and method for manufacturing the same and formed article

A resin composition including a hydrogenated conjugate diene block copolymer and a method for manufacturing hydrogenated conjugate diene block copolymer are provided. The method has an excellent temporal stability and an excellent processability when compounding with a thermoplastic resin, etc., and can form a polymer alloy with excellent physical properties after compounding. A resin composition includes a hydrogenated conjugate diene block copolymer and at least one selected from a nonpolar polymer, a polar polymer and a filing agent. The hydrogenated conjugate diene block copolymer includes a group represented by formula (i), etc., and a silyl protection rate of N atom in a polar group including N atom is not less than 70%. [In formula (i), R1, R2 and R3 represent alkyl groups, etc.] The silyl protection rate (%)=(number of Si atom bonded on N atom of the polar group including N atom)/[(number of Si atom bonded on N atom of the polar group including N atom)+(number of H atom bonded on N atom of the polar g