Please Save My Earth v01-v21 (2003-2007) Complete

English translation of the Japanese manga Boku no Chikyū wo Mamotte (ぼくの地球を守って).
Life's hard when you're shy, harder still when you move from your quiet hometown to the bustle of a big city and a new high school. Poor Alice also has to cope with being regularly harassed by the bratty neighbor boy, Rin. Her life turns upside-down when she's stuck babysitting Rin and the annoying chore ends in unexpected tragedy. What Alice doesn't realize is there could be a greater force at work than unhappy chance!