Sora kara Onnanoko ga!

The protagonist is bullied in school and spends his days eating lunch in a corner of the rooftop to escape. There he met Suzume, who was in a similar situation, and she encouraged him to go skydiving with her in an attempt to change their lives...? An semi-finalist story from the 5th Stokin Pro award, beautiful illustrated by the artist of Ice Guy and the Cool Female Colleague!

(Source: Shounen Jump Plus, translated)