Kawada Sensei, the creator of Hinomaru Sumo, returns to Shonen Jump! Nito is living a quiet high school life while taking care of his disabled grandpa, but thanks to an encounter with a schoolmate striving to be a pro female MMA fighter, his life is about to flip. Sometimes, you just have to fight! This serious MMA story is an all-out battle!

Hero Filina's party is on the brink of annihilation in the face of a powerful Demon Lord. The almighty demon proposes to spare their lives on one condition - that he may swap bodies with the hero for a year. Atty, a Priest and Filina's childhood friend, naturally objects to the proposal, but Filina agrees to the terms to protect her companions. Thus begins a new journey for the Demon Lord, naive to the ways of the world, and the quirky group of adventurers, as they set out to vanquish the new Demon Lord once and for all...!!

In the land of ashen snow known as Great Ice, a young man named Gill Sol has been chased from the capital for some reason. On northern Urchin island, Gill uses his axe skills to work for the lord Mela, but someone has come looking for him... Use your axe to defy destiny! The adventure of the ice boy now begins!