Unko-san: Tsuiteru Hito ni Shika Mienai Yousei

Both are about the poops 

Both anime with short episodes and simple flah animations about object (yolk/poo) who comes alive and are living "normal" life.  

Both are short anime that is all about...shit. While Unko-san is about shit fairies, Utsukushii is about painting with shit. Watch these two if you wanna see some shit. 

Both are comedies with short episodes. Both feature group of personified objects (egg/poo). Both are mainly for kids.  

Short comedical anime about literal shit. Unko-san has shit fairies while Shitcom has just shit being shitted in an unusual way. 

Both are comedies mainly for kids. Both have short episode duration and both feature group of personified objects (egg/poo). 

Both are anime about group of anthromorphic objects (bread/poo) living normal life, chatting with friends etc. Both are comedies mainly for kids.