Kenta Kato developed and refined developer-facing documentation and Kubernetes manifests for the cloudnativedaysjp/cnd-handson repository, focusing on hands-on event enablement. He established a clear README structure and participant setup instructions, leveraging Markdown and YAML to streamline onboarding for cloud-native workshops. Kenta improved Kubernetes manifests by optimizing container images and updating ingress and service configurations, enhancing deployment reliability and accessibility. He also addressed formatting and compliance issues in documentation and configuration files, reducing operational errors and supporting maintainability. His work demonstrated a solid grasp of containerization, DevOps, and Git, contributing to smoother event execution and more robust infrastructure for future workshops.