China's 15 is different from other countries' 15 bachelor's degrees recognized by Japan. Applicants who graduated from China University have all completed a rigorous undergraduate education.
Change it, serious undergraduates may not be able to apply for Hokkaido University or even graduate students.
If you don't believe or have illusions, it is recommended to directly consult the official representative office of Hokkaido University in Beijing.
If you want to enter a prestigious school, I suggest you enroll and talk about it after graduation. Now, except for some big colleges or universities of lj University, they all have a 16 year education, which can be 15 years, but they need a bachelor's degree and a degree.
Postgraduate is a special concept, which is what you call preparatory course. Postgraduates in universities refer to informal students who have obtained master's degrees (called monks in Japan) and intend to take doctoral courses. Informal students who plan to take monk courses in universities after graduation are generally called graduate students.
The devil is very serious, and the tortoise, like the ancestral family law, rarely changes-unless it is specially agreed that it does not meet the above conditions, it can apply for a special qualification examination.