A Champion Got Reincarnated as a Noble Lady

A girl who rules the entire school campus, gained respect from the students and the faculty, an unordinary lady who is stronger than any average man, and earned the title as the champion of the City Karate Tournament three times in a row...Jade Louise is her name. Unfortunately, she died in a plane crash and she opened her eyes to an unfamiliar world where elegance and etiquette is a must. She woke up in a body of a 14 years old girl named Velvet. Can she really be elegant and well-mannered even though she in the past life is a boyish teenager?