S01E78: Battle of the ultimate mystery of Winter Flowers!

Even though the Seigi no Tekken had just evolved, Coach Kudou tells Endou that he'll never make it to the world tournament the way currently is. Endou thinks that the coach is telling him to learn a new Hissatsu, one that surpasses the Seigi no Tekken. Fuyuka notices a troubled Endou and learns some 'tips' from Rika to help him get ideas.