After falling from the sky with no memories of his past, Yuuki forms an alliance with 3 new friends, and the hidden mysteries surrounding him and his allies begin to be revealed.

Who needs dialog when you're this cute? The beautiful (but unlucky) Momoko, the cool, collected Shibumi, and the refreshingly innocent Mayumi star in a "silent manga." No speeches, no dialog. Just pictures, sound effects, and three high school girls living their daily lives.