So, what kind of “reason for application” does make them understand that you are a performing person? That you are someonewho works really hard?

“Reason for application” – They try to find out how serious you are about working at their company.

Character, resume, age, studies, diplomas… there are many things the companies look at but what they want to know the most is how strong your will is to work at just their company.

What exactly are they looking at when judging?

“I am really serious about working at this company!” – What makes the Human Resource employees think just that of you?
People that really want to work at that certain company are naturally interested in it and search for a lot of information.
In addition, it’s important to know what makes that certain company different, where it has its strengths compared to its competitor’s etc. By asking you for the reason of your application they are doing nothing else but to judge how serious you are about their company. Hence, it’s very important to gather as much information as possible about the company that you really want to work for.

Try to be aware about the following things when going to a job interview:

To get a better understanding of the company try the following:
「Company homepage」「IR Information」「Company Information Sessions」「OB visit」「Comparison with other companies」
etc.

There might be many things a student without company experience does not know. However, entering a company as a new graduate is a once in a lifetime situation and I recommend you to carefully choose the company you are going to enter.