Ariadne in the Blue Sky

 is a Japanese manga series written and illustrated by Norihiro Yagi. It has been serialized in Shogakukan's "Weekly Shōnen Sunday" since December 2017, with its chapters collected in thirteen "tankōbon" volumes as of May 2021.
Synopsis.
The story centers around a certain boy who lives alone away from people, but harbors a special dream. One day, he meets a lone girl, and the story begins as he becomes part of the girl's destiny.
Publication.
"Ariadne in the Blue Sky" is written and illustrated by Norihiro Yagi, known for his previous works "Angel Densetsu" and "Claymore". The manga was announced in October 2017. It started in Shogakukan's "Weekly Shōnen Sunday" on December 6, 2017. The first "tankōbon" volume was published by Shogakukan on April 18, 2018. As of May 18, 2021, thirteen volumes have been released.
The series has been licensed in France by Glénat and in Italy by Star Comics.