Marugoto Japanese Language and Culture B1 Intermediate 1Marugoto Japanese Language and Culture Chukyu 1 B1 Recommended for you if You are at Intermediate level. You want to learn Japanese that you can use in real life. Marugoto: Japanese Language and Culture Intermediate B1 is a course book based on the JF Standard for Japanese Language Education. The book offers students to learn both language and culture. It includes audio files and support materials vocabulary lists and translations of listening