Carissa has a black belt in taekwondo. She wants to inherit her father’s Jin Taekwondo Academy. Prior to this, Master Jin gives her a difficult challenge, which is to be a kindergarten teacher for three months! The hot-tempered Carissa always hurts people around her, including her favourite Clyde. Dark Wizard also stirs things up by causing her to make some irreversible mistakes. With the power of Ruby, she is given a second chance to change the situation… Can Carissa control her emotions? What is her destiny like?