i love this series so much! its so cute and the songs are so catchy lol.
plot: Kururu, Chiriri, Sarara, and Hororo are four little fairies that live inside bottles on their “Sensei”’s desk. Together, they have misadventures trying to understand the human world, seeking advice from the totally misinformed grade schooler next door. -anime news metwork
check it out if only to view the oictures/listen to the songs!