The short answer
K-food's entry into Japan requires both compliance with food-labeling rules and channel design. Design labeling to the Food Labeling Act standard alongside discovery paths on marketplaces and social.
Food carries mandatory ingredient, allergen, and best-before labeling under the Food Labeling Act and Food Sanitation Act. Confirm labeling compliance before entry.
Health-benefit claims are restricted under laws like the Health Promotion Act. Exaggerated health-effect expressions carry high risk and need separate review.
Combine marketplaces (Rakuten, Amazon) with social and reviews for discovery. Tasting/experience content and reviews build early trust.