Shadow Cross Manga

The story is about Fumi Sekijyou, a well-meaning but very jittery and nervous girl. This is due to a past trauma that also makes she can't touch anyone, because she will get a nose bleed. One day the store she works for asks her to get rid of a customer that keeps occupying the roof. Once on the roof she sees the customer dancing by himself; the young man ends up introducing her to the world of ballroom dancing and awakens her passion for it. Will Fumi Sekijyou overcome her past trauma and advance in the world of ballroom dancing?