It's possible that it's because the first one starts with the surname Tang,After all, in this era, Japan implements happy education. To get into a good university, you need to attend private tutoring schools because some knowledge is not taught in high school at all, and yet it is essential for getting into university.,(This is a chart from a post by the big boss of the Amuro Touya bar, about the promotion time of various types of police officers in Japan.)。