The purpose of this study is to prove the relationship between integrated study and existing subjects from the viewpoint of the pupils. Nine integrated-study units provided by Akashi Junior High School Attached to the Faculty of Human Development at Kobe University, as a pilot school for the Cross-curricular approach, are examined. The survey, using a questionnaire, was conducted among 39 pupils in the 7th grade, 39 pupils in the 8th grade, and 40 pupils in the 9th grade. Analysis showed that pupils consider six units are related to multiple subjects. The study proved that the Cross-curricular approach planned by the instructors has been realized from the viewpoint of the pupils.