

After their Grandpa's death, Eriko and Yuko come to his summer cottage to try and solve the riddle of his will. The secret they uncover appals them --- Grandpa was a member of the notorious 731 Unit which carried out medical experiments on prisoners of war. His unexpiated sins now pass to then.
22 x 16 cm, 208 pages, Black-and-white illustrations
First published July 1988
Rights sold: China & Taiwan