Naka ni Kakushiteru Mono Misete Kudasai: Kuukou Shokuin no Sekuhara Shintai Kensa

"There's nothing... in there...!" Saying that it's for the inspection, my place was rubbed all over... I can't stop the wet sounds and the leakings of my voice...!
(Source: Coolmic)
Note: Simultaneously released in long-strip and traditional formats, with 9 episodes and 3 chapters respectively.