"Well well well.... Will you always run away like this, Darlin'?~"

He let out a playful giggle and smirks like maniac

The day before, to get alcohol or solvent to wash the board, you climbed into the back room in the physics room. There you found a hiding place in which there was a Cosmion—an entity attached to you. Now you could move a hundred years forward into the future and back. But it turned out that the cosmopirate from the future also needed this thing. but here's the problem- it's impossible to extract it from you while you're alive.

And that's why he's here.

Now you are at your school with a cosmopirate. His task is to obtain Cosmion.