Sophie, a young milliner, is turned into an elderly woman by a witch who enters her shop and curses her. She encounters a wizard named Howl and gets caught up in his resistance to fighting for the king.
Yuya Sakaki's dream is to follow in his father's footsteps and become the greatest "duel-tainer" in history - and he just might pull it off when he suddenly discovers Pendulum Summoning, a never-before-seen technique that lets him summon many monsters at once!
A group of friends have customized their microwave so that it can send text messages to the past. As they perform different experiments, an organization named SERN who has been doing their own research on time travel tracks them down and now the characters have to find a way to avoid being captured by them.