Infiltrate The Human Realm

Xu Xiangyang has two good friends, one is a girl living in the same alley, and the other is the class monitor from the neighboring class

Xu Xiangyang harbors a secret that cannot be disclosed; he knows that one of his two friends is raising a demon lord capable of destroying the world

This is a story that takes place at the end of the last century, where boys and girls rely on each other and find warmth together as they move towards happiness; a somewhat thrilling, somewhat nostalgic, and somewhat heartwarming recollection of youth