Psidai: GATE xover/sidestory - Rikkai Training

I have... no excuse for this. Really. Um. It's another random snippet in the middle of the Psidai xover.

Scene: Rikkai Intensive Training Session
Series: The Psidai/GATE/HP/Etc. xover/sidestory series...thing.
Fandom: Prince of Tennis, GATE, Harry Potter
Rating: PG for language
Warnings: Crack. Randomness. HP-bashing, sort of.
Word Count: 2030

( aka. Recruitment Attempt #2 )

Disclaimer: I don't own Prince of Tennis. I don't own Harry Potter. I don't own GATE manga, though the actual constellations and mythology we're using is probably public domain.