A graded reader for learners of English (EFL). Level 4 - B1/B2 Intermediate (2) Word count: 8,840 One day, Akira Fujihara receives a letter from a man in Nakashige, a small village in Japan. Something is very wrong with Setsu, his elderly aunt. Akira goes to visit her. Strange things are happening in the village. Akira does not know what to do. Then, he meets a very unusual person. Her name is Chi-obaa. Chi-obaa and her friends have very special ways of solving the mysteries and troubles in the village. Enjoy another adventure featuring the fearless and clever Chi-obaa.