"First published in Japan in 2015 by Hakusensha, Inc., Tokyo"--Colophon
"When Leo was a young boy, he had his pride torn to shreds by Tenma, a girl from a wealthy background who was always getting him into trouble. Now, years after his father's successful clothing business has made him the heir to a fortune, he searches out Tenma to enact a dastardly plan: he'll get his revenge by making her fall in love with him!"-- Back cover of Volume 1
"Parental advisory. the young master's revenge is rated T for teen and is recommended for ages 13 and up. this volume contains vicious turtles!"--Colophon