High school student Eri Hourai (ほうらいえり) quietly continues her work as a baker, having taken over her grandfather's shop. One day, she is suddenly approached by a hungry girl, Mugi Nonomiya (ののみやむぎ), who demands, "Please give me 20 melon breads!" This encounter with Mugi gradually opens Eri's heart...? A "fluffy and chewy" authentic bread manga begins!