ぼくの地球を守って [Boku no Chikyuu wo Mamotte / Please Save My Earth] #5

This is the fifth volume of Saki Hiwatari's classic shōjo manga series, originally serialized in Hana to Yume. The story follows a group of high school students who share collective dreams of a past life as scientists on the moon, gradually uncovering the tragedy that befell their former selves. This volume continues the intricate blend of romance, science fiction, and reincarnation drama that defines the series.