All right, that's everyone found, so the school is closing.
Resized to 60% of original (view original)
Artist's commentary
GuP Kindergarten Returns! Story 81
School-Closure-Wager Hide and Seek 6 (Finale)
Originally, this was misnumbered as a second Part 5.
Hang in there, Principal. Here's where the real game begins. (`・ω・ ́)