Kaii to Otome to Kamikakushi - Episode 3 - Sumireko Breaks Zipper

Sumireko's borrowed tracksuit could barely contain her undeniable gifts. It eventually yielded to her charms.

Strangely, or not so strangely, the tracksuit Sumireko borrowed had her name on it. But the last name was not Ogawa. It was Adashino! That guy, Ren. So presumptuous.

Ren and Sumireko defeated the Curiosity that had influenced Manami-sensei terribly. It burned Ren and covered Manami in purple slime. But the ordeal did give us sights of Sumireko's underboob.