Chikyuu Koushinkyoku summary: By Strawberrie: Suzu's big sister, who had raised her alone after their parents passed away, died in a traffic accident. Suzu decided to take care of her sister's son, Sho. Together, the two face life with all its hardships. Chikyuu Koushin-kyoku is a manga filled with friendship, love, pain, and sorrow that will touch your heart.