New Book 'Earning Strategy of 100 Million Yen' by Toru Arai Set for Release on March 10, 2026 Toru Arai, CEO of D2C Subscription Research, announces his upcoming book, 'Earning Strategy of 100 Million Yen', available for pre-order on Amazon.

New Book 'Earning Strategy of 100 Million Yen' by Toru Arai Set for Release on March 10, 2026 #Japan #Tokyo #D2C_Business #Toru_Arai #Earning_Strategy