# Kazuya Hibara - AI Automation Engineer > AI Automation Engineer who automates business workflows for solo business owners using n8n and AI. Based in Japan, serving clients globally. Bilingual site (EN/JA). ## Site Info - URL: https://kazuyahibara.com - Languages: English (/en), Japanese (/ja) - Owner: Kazuya Hibara - Role: AI Automation Engineer / Marketing Operations Specialist - Specialization: n8n workflow automation, AI-powered marketing systems for solopreneurs and small businesses ## Main Pages - [Home](https://kazuyahibara.com): Overview of services — "Break Through the Limits with Systems." Implements winning business patterns into 24/7 marketing automation systems. - [About](https://kazuyahibara.com/en/about): Background, philosophy, and approach. Marketer who understands engineering; engineer who understands the field. Designs systems with "margin" for strategy refinement. - [What I Do](https://kazuyahibara.com/en/what-i-do): Three solution categories — Front-Office Automation, Back-Office Automation, and Fulfillment & CRM Automation. Includes FAQ. - [Cases](https://kazuyahibara.com/en/cases): Real client case studies with before/after metrics. - [Workflows](https://kazuyahibara.com/en/cases): Detailed workflow articles showing 12 automation solutions with architecture, tech stack, and results. - [Contact](https://kazuyahibara.com/en/contact): Consultation booking (30-minute automation assessment). ## Core Expertise - n8n workflow automation (open-source, self-hosted) - AI/LLM integration (OpenAI GPT-4o, GPT-4o Vision) - Marketing automation for solo business owners (solopreneurs) - Multi-channel communication (LINE, Gmail, web forms) - CRM automation without expensive tools (Google Sheets as CRM) - SEO content automation (WordPress auto-publishing) - Invoice processing and collection automation - Competitor intelligence monitoring - Social media content generation (multi-platform) ## Solution Categories ### Category A: Front-Office Automation (Inquiry & Lead Gen) AI-powered inquiry handling, lead generation, and content creation. ### Category B: Back-Office Automation (Admin Ops) Invoice processing, collection, reporting, and competitive intelligence. ### Category C: Fulfillment & CRM Automation (Customer Success) Order sync, customer segmentation, appointment management, and business diagnostics. ## Workflow Solutions - [AI Multi-Platform Social Media Content Generator](https://kazuyahibara.com/en/cases/ai-sns-content-generator): Generate platform-optimized posts for Twitter, Instagram, and LinkedIn from a single topic. Reduces content creation from 2h/day to 15 min. - [SEO-Optimized WordPress Blog Auto-Publisher](https://kazuyahibara.com/en/cases/seo-wordpress-auto-publisher): Auto-generate SEO blog drafts from Search Console keyword opportunities. Increased output from 0 to 4 articles/month, +180% organic traffic. - [Google Maps Geographic Business Lead Scraper](https://kazuyahibara.com/en/cases/google-maps-lead-scraper): Collect business leads by area and industry from Google Maps. Generates 100-500 qualified leads/month at near-zero cost. - [AI Inquiry Concierge (Multi-Channel)](https://kazuyahibara.com/en/cases/ai-inquiry-concierge): AI handles initial responses across LINE, email, and web forms. Reduces response time from 24h to 5 min. - [AI Invoice Collection & Escalation System](https://kazuyahibara.com/en/cases/ai-invoice-collection): Automated overdue invoice follow-ups with AI-drafted escalating reminders. Collection rate improved from 78% to 95%. - [Automated Invoice PDF Processing & Data Entry](https://kazuyahibara.com/en/cases/invoice-pdf-processor): AI Vision extracts data from PDF invoices and auto-populates bookkeeping sheets. Processing time from 5-10 min to 30 sec per document. - [AI Timesheet & Work Report Generator](https://kazuyahibara.com/en/cases/ai-timesheet-generator): Auto-generate monthly work reports from calendar and task data. Report creation from 8h to 30 min. - [Competitor Intelligence Auto-Tracker](https://kazuyahibara.com/en/cases/competitor-intelligence-tracker): Monitor competitor websites, social media, and pricing with AI-summarized weekly reports. - [Shopify Order-to-Sheet Sync & Customer Tagging](https://kazuyahibara.com/en/cases/shopify-order-sync-crm): Real-time order sync with automatic customer segmentation. No expensive CRM needed. - [AI Calendar Concierge & Smart Notifications](https://kazuyahibara.com/en/cases/ai-calendar-concierge): Personalized appointment reminders and preparation notes. Reduces no-show rate by 60%. - [AI Daily Business Summary](https://kazuyahibara.com/en/cases/daily-business-summary): Morning briefing aggregating orders, inquiries, traffic, and social engagement. Morning startup from 60 min to 5 min. - [Business Automation Opportunity Analyzer](https://kazuyahibara.com/en/cases/business-automation-analyzer): Four AI agents analyze your business processes and propose an automation roadmap with ROI projections. ## Case Studies - [Organic E-Commerce Brand (Sato Wellness)](https://kazuyahibara.com/en/cases/sato-wellness-shop): SNS time 2h/day to 15 min, repeat rate 22% to 38%, organic traffic +180%, +2.4M yen/year revenue. - [Solo Tax Accountant (Tanaka Tax Office)](https://kazuyahibara.com/en/cases/tanaka-tax-office): 60h/month saved, invoice collection 78% to 95%, capacity for 12 new clients, +6M yen/year revenue. - [Solo Consultant (Yamamoto Consulting)](https://kazuyahibara.com/en/cases/yamamoto-consulting): New leads 0 to 8-12/month, payment collection fully automated, +5M yen/year revenue. ## Tech Stack - n8n (workflow automation platform) - OpenAI GPT-4o / GPT-4o Vision - Google Workspace (Sheets, Calendar, Drive, Docs, Gmail) - Shopify API - WordPress REST API - Google Search Console / Google Analytics - LINE Official Account API - Twitter, Instagram, LinkedIn APIs - Slack / Chatwork - Airtable - Stripe ## Contact - Website: https://kazuyahibara.com/en/contact - LINE: Available via LINE Official Account - Consultation: 30-minute free automation assessment ## Optional - [llms-full.txt](https://kazuyahibara.com/llms-full.txt): Detailed version with full workflow descriptions, case study narratives, and FAQ content.