Today's world seems calm, but there are undercurrents. On the surface, they are just a group of students attending class, but at night. They couldn't sleep, and at the same time they put on black clothes, wandered between high-rise buildings, and wandered in deep alleys to clean up a kind of "alien". But after that night, they thought that things might not be that simple, and what happened back then slowly came to light.
Intention: What time is quiet and good, but there are people carrying a heavy burden and moving forward