Easy "That something that shak...
	Various Steam Achievements...

While any of the catgirls are on screen, press P. Alternately, play the game in windowed mode. Drag the top of the window and shake it up and down for a few seconds.

Bell-Holding, Poster Catgirl	Clear Chapter five.
La Soleil, Open for Business!	Clear Chapter three.
Like a Catpanion	Clear Chapter seven.
Mutual Love	Clear Chapter eight.
Neko Paradise	Thank you for playing to the end!.
Opening	Clear Chapter one.
Play it in Chinese!	Try playing it in Chinese!.
Play it in English!	Try playing it in English!.
Play it in Japanese!	Try playing it in Japanese!.
Preparing to Open	Clear Chapter two.
That something that shakes...	Bouncy, bouncy.
This Time, La Soleil is Open for Business!	Clear Chapter four.
Two Catgirls in Love	Clear Chapter six.