Shounen

Seongwu is a former special forces soldier who has returned to college after completing his national service. His ordinary life as a student is shattered during class one day when he and his fellow students are faced with a mysterious prompt asking them to “select a role.” Seongwu chooses the necromancer, a rare ability that grants him the power to control the undead. With the campus and outside world seemingly on the brink of collapse, Seongwu must use his newfound powers to battle fearsome monsters and help save his fellow students. But will they make it out alive?

In this world, It’s only me who can get stronger by eating Magic Stones! At one point, I received an offer to have a smooth life reincarnation from the Goddess-sama… But the skill I got as a prize is Toxins Decomposition EX. Ugh, what a plain skill! Its so pitiful that even my own family makes fun of me… However, one day I realized that because of this skills effect, I can eat and gain power from Magic Stones! I’ve also been notified that I’m the prince from a neighboring country!?

Before I realized, I had become the guardian of a dungeon, a Demon Lord. I was suddenly in a dangerous world with giant monsters loitering around, fighting for their existence, so I thought to go about developing the dungeon in order to not die but —- for some reason I was having quite the good time…. How did it turn out like this?

The protagonist, Yuki, having to live in that world now, uses his bold and sharp senses and spends time with a supreme dragon girl and a vampire girl; Sometimes laughing, sometimes being angry, passing days doing what he likes

As two worlds collide into one, a fateful counter between the "killer hero" and the "elf princess from another world" has led to a great adventure to defeat the even greater evil!

Karna was a boy who was given the title of "Sage" from heaven, and was scouted by the hero party who had great expectations for his skills. However, his skill "necromancer" was creepy and he was immediately exiled. Karna, who got lost on the road without getting a reward, had accidentally invaded the Demon King territory and was targeted by the demons! He faced a demon with mighty power but defeats it with magic that overwhelmed it by far. Meanwhile, Cecilia the devil, who saw the whole scene, offers Karna a large annual salary.

There was once a doctor fixated on creating the "ideal human being." After the doctor's death, his fabricant creations start attacking humans in order to attain the perfect body. When Ashibi Yao's entire family is murdered by these fabricants, he sets out on a journey of revenge accompanied by the doctor's final creation, Fabricant 100. This dark fairy tale launches only in the pages of Shonen Jump!

Ichigo Kurosaki has always been able to see ghosts, but this ability does not change his life nearly as much as his close encounter with Rukia Kuchiki, a Soul Reaper and member of the mysterious Soul Society. While fighting a Hollow, an evil spirit that preys on humans who display psychic energy, Rukia attempts to lend Ichigo some of her powers so that he can save his family; but much to her surprise, Ichigo absorbs every last drop of her energy.

Baphomet, the boss of the [Tower of Abyss],

waits for a strong hunter who is able to fight on equal grounds against him.

When he had grown bored of the repetitive battles, he began to gain interest in the world of humanity due to the trophies he had obtained from the dead hunters.

At the same time, he became further entranced by the existence of humans when the strong hunter he had always wished for appeared before him.

Kimetsu no Yaiba manga summary:
Tanjiro is the oldest son in his family who has lost his father. One day, Tanjiro ventures off to another town to sell charcoal. Instead of going home, he ends up staying the night at someone else's house due to rumors of a demon nearby in the mountains. When he gets home the following day, a terrible tragedy awaits him.