Private Earth summary: The day started as any other day for the three sisters, Tsumugi, Momo, and Rin, and their father. But they soon learn that everyone has disappeared and they appear to be the only humans left on earth. How will they survive?
Collection of 3 short stories, the first two are Please save my earth related, but they are standalones and spoiler free: PSME-Things accidently left behind PSME-BIRTH Cibi-01 no YaYaYa! (Cibi, right, not Chibi)
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.
In one unusual Tokyo high school, education takes a backseat to brawling as warring clubs wreak havoc in the hallways and chaos in the classrooms, all vying to be the baddest team around! Although they often contribute their fair share, only a handful of students serve to stem the tide of violence in this untamed outpost. These are the few, the proud, the powerful: the members of the Juken Club!…