Find a Novel, Submit It to the National Journal, Please Ask My Family

The story begins with the male protagonist traveling with his friends and later discovering a gate to a different world in the mountains. After examining it, he found that it was a virgin forest with many dangerous animals. Later, he contacted his family and reported it to the country, and then sealed off the surrounding area. Later, the male protagonist followed the advance team in, and later found out that he was among the first batch of people who could practice. It seemed that there was a system, and it should be a single female protagonist.