A textbook for truly utilizing systems in business: “A One-Book Textbook for Understanding the Knowledge and Key Points of System Planning and Development in an Illustrated and Ready-to-Use
Environment” (Gijutsu Hyoronsha) to be released on September 24th.
Gloria Co., Ltd. Press Release: September 19, 2025 To those concerned “Illustrated, Ready-to-Use System Planning & Development: A One-Book Textbook That Clearly Understands the Knowledge and Key Points” (Gijutsu Hyoronsha), a textbook for “true” system utilization in business, will be released on September 24th. The third information systems book from Naoki Ishiguro, author of “IT System Standards” and “Illustrated System Design Textbook for Immediate Use.” Gloria Co., Ltd., a provider of “Consulting × Realization × Operation” with digital technology at its core, is pleased to announce the release of CEO Naoki Ishiguro’s book, “Illustrated Ready-to-Use: A Textbook for Understanding the Knowledge and Key Points of System Planning and Development in One Book” (Gijutsu Hyoronsha), on Wednesday, September 24, 2025. Today, businesses cannot be realized without systems. However, systems are extremely difficult to develop, as even a single mistake can result in significant liabilities. This book provides an easy-to-understand summary of the knowledge and key points that business companies need to truly utilize systems. We hope you will use it to foster a common understanding among everyone involved with systems, including management, business divisions, information systems departments, and system development and operation companies. Ishiguro, who has been involved in all aspects of systems, has organized this book in a way that even beginners can understand, inspired by his desire to address the “essential challenges facing business companies” he has felt in conversations with various customers and stakeholders. It will be released as part of Gijutsu Hyoronsha’s “Immediately Useful Illustrated Guides” full-color illustrated series for beginners.
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departments, and system development and operation companies, to ensure truly meaningful system planning and development. This book provides an overview and key points to make it easy for beginners to
understand. It also delves into the responsibilities and key points of each position. This book will help stakeholders with various levels of understanding to build a common understanding and lead system planning and development to success. The left page is for text, and the right page is for charts and figures, making it easy to understand visually. • Table of Contents CHAPTER１ To Utilize Systems Section 01: What is a System? Section 02: What is “Success” in System Utilization? Section 03: Strategies and Tactics for System Utilization Section 04 How to Utilize the System Section 05 Overview of System Utilization Section 06 Understanding the System’s Characteristics Section 07 Structure and Features of this Book Section 08: Overview of IT Governance and IT Management Section 09: Overview of System Planning Section 10: Overview of Requirements Definition Section 11 System Design Overview Section 12 Development, Testing, and Migration (Release) Overview Section 13 Maintenance and Operation Overview Section 14 Overview of Management: This Book’s Assumptions and the Overall Picture of System Development CHAPTER 2 System Characteristics [Objects] Section 01: Understanding the Characteristics of the System Itself Section 02 Elements that Make Up a System Section 03 Data Handling is Important for a System Section 04 Once You Start Using a System, It’s Hard to Throw It Away Section 05 It Doesn’t Always Make Work More Efficient Section 06 There Are Many Options for How to Build a System Section 07 The Difference Between System Ownership and System Usage Section 08 On-Premises vs. Cloud Section 09 Low-Code vs. No-Code Section 10 Shadow IT Risks Section 11 Choosing a System Architecture Section 12 Efficiency decreases as the scale increases. Section 13: The Ideal and Reality of Systems Section 14: The Cost of Modifications Increases as the Process Progresses Section 15: Why System Modifications Are Difficult Section 16 The Need for Refactoring Section 17 The System Cannot Continue to Be Used Section 18 The System Must Be
Decommissioned Section 19 Low quality is a hindrance to business. This book explains how to organize “system design.” CHAPTER 3 System Characteristics [People and Money] Section 01: People and Money are the Biggest Constraints Section 02 System Costs Section 03 System Investment Evaluation Section 04 Advantages and Disadvantages of Outsourcing and In-House Development Section 05 Offshore and Nearshore Section 06 Contract Types for System Development Section 07 Why It’s Difficult to Secure Engineers Section 08 Changing Vendors is Difficult Section 09 What to Estimate Section 10 Estimation in System
Development Section 11 Non-functional Requirements Dramatically Change Estimation Section 12 Advantages and Disadvantages of Different Development Methods Section 13 What “The Mythical Man-Month” Tells Us Section 14 Systems Depend Heavily on People CHAPTER 4 IT Governance and IT Management Section 01 What is IT Governance? Section 02 The Root of Governance is the “Way the Company Behaves” Section 03 IT Strategy Section 04 IT Audit Section 05 Security Governance Section 06 Data Governance Section 07 IT Compliance Section 08 IT Human Resources and Development Section 09 IT Service Management [ITSM] Section 10 Other Governance Section 11 IT Management CHAPTER 5 System Planning Section 01: Overall System Planning Section 02: System Planning Section 03: (Service) Planning Section 04 RFI: Request for Information Section 05 RFP: Request for Proposal Section 06 RFP Evaluation/Service Evaluation Section 07 Contract Section 08 Key Points for Success: Background and Purpose of Systemization Section 09 Key Points for Success: What Problems and Issues Need to be Solved? Section 10 Key Points for Success: What is the Key to the Plan? Section 11 Key Points for Success: Creating a Slogan Section 12 Key Points for Success: Is the Plan Meaningful and Considers the System Characteristics? Section 13 Key Points for Success: Planning is a Microcosm of Human
Relationships Section 14 Key Points for Success: Estimation Section 15 Key Points for Success: Management Section 16 Key Points for Success: Practical Tips CHAPTER6 Requirement definition Section 01 Overall picture of requirements definition Section 02 Requirements definition document Section 03 Current business/system analysis Section 04 Business requirements definition Section 05 System Requirements Definition Section 06: Key Points for Success: Functional Requirements Section 07: Key Points for Success: Non-Functional Requirements Section 08: Key Points for Success: Data Migration Section 09: Key to Success: Traceability Section 10: Key to Success: Eliminate Ambiguity as Much as Possible Section 11: Key to Success: Management Section 12 Key Points for Success: Practical Tips CHAPTER 7 System Design Section 01 Overall System Design Section 02 Key Points in System Design Section 03 Overall Design Section 04 The Importance of Overall Design Section 05: Overall Overview of Individual Design Section 06: Input/Output Design Section 07: Database Design Section 08 Logic Design Section 09 Network Design Section 10 Server Design Section 11 Other Design Section 12: Introducing External Services Section 13: Key Points for Success: Management CHAPTER 8 Development – Testing – Migration (Release) Section 01: Overview of Development – Testing – Migration (Release) Section 02: Key Points in Development – Testing – Migration (Release) Section 03 Development Section 04 Testing Section 05 On-the-job Training Section 06 Migration (Release) Section 07: Introducing External Services Section 08: Key Points for Success: Various Testing Perspectives Section 09: Key Points for Success: Productivity and Quality Section 10: Key Points for Success: Migration Method 11: Key Points for Success: Management CHAPTER 9: Maintenance and Operation Section 01 Overview of Maintenance and Operation Section 02 Key Points in Maintenance and Operation Section 03 Maintenance Activities Section 04 Operational Activities Section 05 Key to Success: Consider Cost Reduction Section 06 Key to Success: Act with Governance in Mind Section 07 Key to Success: Maintaining
Documentation is Important Section 08 Key to Success: Acting with Discontinuation in Mind Section 09 Key to Success: Management CHAPTER 10 Management Section 01 The Importance of Management Section 02 Key Points in Management Section 03 Key to Success: First, Make a Plan Section 04 Key to Success: Defining Deliverables Section 05 Key to Success: Supporting Decision Makers’ Judgments Section 06 Key to Success: The Schedule, Task Management Chart, and Organizational Chart are the Three Sacred Treasures Section 07: The Key to Success: “People” Are Your Assets • Book information
https://prcdn.freetls.fastly.net/release_image/120464/3/120464-3-9e7701de8de1c5fb2d2358db1baf92e3-1081×1526.png “Illustrated, Ready-to-Use System Planning & Development: A Textbook That Clearly Understands the Knowledge and Key Points in One Book” Author: Naoki Ishiguro Publisher: Gijutsu Hyoronsha Release date: September 24, 2025 Price: ¥2,860 (¥2,600 tax) ISBN-13:
978-4-297-15164-5 Gihyonsha:
https://gihyo.jp/book/2025/978-4-297-15164-5
Amazon:https://www.amazon.co.jp/dp/4297151642/ Introduction page: https://gloria.cool/services/book-zukai-system-kikaku-kaihatsu/ • Author: Naoki Ishiguro Representative Director, Gloria Co., Ltd. Future Creation Contractor / IT Advisor & IT Support / Full-Stack Engineer Born in 1981. Originally from Kyoto Prefecture. After graduating from university, he joined Nomura Research Institute, Ltd., a leading system integrator (SIer) in Japan. He is primarily in charge of financial systems that require high quality, and has a variety of experience related to information systems, including large-scale projects, development, maintenance, and operation. After 15 years of service, he became independent and assumed his current position. We work with the philosophy of – creating the future together with you – by providing business support, services, and information dissemination based on digital technology. Regardless of size, whether it’s large companies, small to medium-sized businesses, individual business owners, or entrepreneurs, we seek to optimize your personal stature and help you strengthen your business. He is the author of “Standards of Computer Systems: Key Points of System Planning, Development, Maintenance, and Operation Learned from Cases of Failure” and “Illustrated Ready-to-Use Textbook: A Textbook that Thoroughly Understands System Design Theory and Practical Methods in One Book” (both published by Gijutsu Hyoronsha). • お問い合わせ In addition to holding seminars on this book, we can provide consulting and individual support to create the optimal form for you, and provide all kinds of support regarding the system. Please feel free to contact us. お問い合わせフォーム：https://gloria.cool/contact-gloria/ Email:
contact@gloria.cool Person in charge: Gloria Co., Ltd. Naoki Ishiguro • 関連情報 【関連書籍】 “Standards of information systems: Points to learn from system planning, development, maintenance, and operation from failure cases” https://gloria.cool/services/book-josys/ “Illustrated and ready-to-use textbook that clearly explains the theory and practical methods of system design in one book”
https://gloria.cool/services/book-zukai-system-sekkei/ 【Company Profile】 Gloria Co., Ltd. Provide business support, service provision, and information dissemination using digital technology as the core − We are a company that operates with the philosophy of creating the future together with you. Official website: https://gloria.cool 【ご提供サービス例】 ・大企業様 情シス部門・業務部門・経営層 支援 ・Small and medium-sized enterprises digitalization support, construction, and operation ・Individual company system requirements definition, design, development, operation ・Website construction/operation, marketing support ・New business Planning support/system support ・Responding to various interviews, contributing, writing, training instructor