Street Workout is a Manga/Manhwa/Manhua in (English/Raw) language, Manhw series, english chapters have been translated and you can read them here. You are reading Street Workout chapters on ManhwaZ, fastest updating comic site. The Summary is
Baek Dong-hee, is a high school student who once pursued her dream of being the best b-boy in the world, lost both her dreams and hopes due to an accident. One day, he meets Kwon Jini, a girl who works out by chance, and his life, which had stopped, begins to move again.