Soukyuu no Ariadne is a Manga/Manhwa/Manhua in (English/Raw) language, Shounen series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

The manga 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.