cotoacademy.com/ja/course/intensive-japanese-courses-tokyo-yokohama/
Coto Academy offers full-time intensive Japanese courses in Tokyo and Yokohama for all levels from beginner to advanced, with small classes of up to 8 students and instruction in reading, writing, listening, and.
Courses, textbooks and schoolsIn JapaneseJLPTConversationBeginnerTutors and teachersIntermediateAdvancedJLPT N5