パンツ脱げるもん！ (Pantsu Nugeru mon!)

Background
The song was first uploaded on June 6th 2010; it's Chomu-P's most notable work, and also his first collaboration with Hiro Tamura. It only took the song four days to reach Nico Hall of Fame (exceeding 100,000 views); and as of June 2012, it currently has over 300,000 views.

A "short" version was uploaded three months after the full version was uploaded, the short version is Chomu-P's entry for the game Project Diva Arcade.

It tells off a story of a girl (Rin) who wants to "take off her panties" as a symbol of wanting "freedom"; wanting to not be nagged by adults. Later on she realized that she can choose whether to be mature or childish.