My Hero Academia: Heroes in a Half-Shell

My Hero Academia: Heroes in a Half-Shell (Japanese: 僕のヒーローアカデミア) is a Japanese animated superhero crossover manga-turned-OVA crossover miniseries written and painstakingly Illustrated by My Hero Academia: Vigilantes alumni Hideyuki Furuhashi and Betten Court.

Synopsis
"'As a crime wave rises in Musutafu, Japan, with the arrival of a mysterious ninja clan called the Foot, licensed hero-in-training and part-time news reporter Momo Yayarouzu is walking home alone before she accidentally stumbles upon members of the clan looting, falling into their trap and is captured. Just as all hope seemed lost, she is rescued by four shadowy figures later revealed to be a quartet of mutated, teen-aged turtles trained in the arts of Ninjitsu.'"

Voice Cast

 * Kiyoyuki Yanada as Sawaki Oroku / Shredder