Taekwon Dongja Maruchi Arachi

Synopsis

Maruchi and Arachi are two children discovered living in a mountain cave following their grandfather's murder at the hands of the villainous Blue Skull 13. A couple takes them in and helps them reintegrate into society. The pair soon demonstrate remarkable talent in taekwondo, a martial art they start to train in. However, Blue Skull 13 continues his evil plots against humanity, forcing Maruchi and Arachi to confront his malicious schemes directly.