Kururu Hiiragi

Kururu is the daughter of Leela, the owner of the Comic Cafe Freedom. She's a childhood friend of Keiichi Oyamada and also a regular customer at the cafe. She has always called him "Onii-chan" since the first time they met, however she haven't seen him in a long time, but now that he works there, the two started to meet again, also because later she too get a part-time job there.