The artist of Act-Age (Shior Usazaki) finally got another manga in Shounen Jump. The writer is Osamu Nishi of "Welcome to Demon School! Iruma-kun."
Ichi the Witch.
"In this world, witches must hunt down their magic! Deep in the forest, the terrifying king of magic and the strongest witch are locked in deadly combat. But suddenly, a young boy joins the fray. His name is Ichi and he is just a hunter. But he has the power to flip the magic world upside down in this magic hunting fantasy epic!"
Ichi is a hunter in a medieval setting that was abandon in the forest when he was young, and learn to hunt to survive to the point he became obsessed with Hunting. One day he found an unusual creature he wanted to hunt. It was King Uroro the King of the Majik. Majiks are spirits with magical power that offer trials to people to learn their magic. Such as, "drink all this water to learn how to use water spells." However, normally the only people that can use magic in this world are females. So, all the hunters of Majiks are witches that hunt them to learn more magic spells. King Uroro is unique in that he cannot be harmed by a women, so no witch can harm him. Till Ichi kills him becoming the first male witch.
So, the story is Ichi, the first male witch, hunting all the Majiks with his new partner Desscaras, the Abyssal Witch.
Her art has improve in the past four years.