If you're looking for anime similar to Sitting Down, you might like these titles.
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.
A darkly cute tale of foiled romance and contract assassinations starring Tuzki (兔斯基).
Five workers workers at a giant corporation are dedicated to protecting people from disasters and other events all over the world. Together, they transform into the superheroes Dessert Five: Chocolate Red, Macaron Navy, Langue de Chat White, Soft Ice Cream Yellow, and Parfait Pink.