For three academic years I built and ran weekly language-lab sessions that expanded the core curriculum—writing fresh lesson plans, designing task-based games, and leading interactive drills that turned grammar, kanji, and conversation practice into hands-on challenges. Students rotated through karuta character races, skit rehearsals, and digital quizzes I authored in Google Forms, while I provided on-the-spot pronunciation coaching and detailed handwriting feedback that lifted class performance and confidence.