A Hentai System in the World of Danmachi - Chapter 13 - 12 - Charming aura.

Jiang Shang travels through the Zongman world, but the first world is Fuyuki City?

Joan of Arc, who was not supposed to be alive, came to her door and begged him to participate in the Holy Grail War?

I thought it was the beginning of hell.

At the critical moment, the system awakens!

Just make choices, or rewrite the plot, to get amazing rewards!

“Ally with Joan, get: Top Heroic Spirit Template!”

“Choose to save Matou Sakura, get: Imaginary Space!”

“Summon a mad-ranked servant, get: the holy gun of the end!”

The Holy Grail War begins!

Facing the arrogant King of Heroes, Jiang Shang showed his magic whip under the dull gaze of all the heroes!

“Arrogant tyrants should be beaten constantly.”

“I won’t stop until you admit your mistake.”

- Description from novelbuddy

A ritual gone wrong gave him the world's deadliest Class—now all he wants is blood.Zeth stole the most powerful ritual magic in the world from a mad cultist. A Class that's fueled by the blood of his enemies and human sacrifice. One that's illegal to use, punishable by gruesome death. And now that he has it, he's faced with a choice: hide away for the rest of his life from those who would hunt him down, or embrace the power, becoming the hunter to get revenge on the murderer that stole his friends' lives.For Zeth, that's no choice at all.His enemies have to die. And he plans to use every drop of blood, eldritch ritual, and demonic summoning he can to kill them.

Business elite Wu Bin suddenly died and reincarnated into a college student in a parallel world.Just as he joined the freshman military training, Wu Bin realized something was off.Why was his body weaker than a woman’s?Wu Bin had thought he could use the system to change his physique and reach the pinnacle of life!But who knew, in the next second, the style shifted dramatically!Ding.【Congratulations, Host, for successfully acquiring Acute Myocardial Infarction】【Beware, when your heart rate exceeds 130, Acute Myocardial Infarction will be triggered 100%】Hiss!Are you serious with this crappy system?【High host dissatisfaction value detected, special gift package for beginners】【Congratulations to the host on your gift— Scorn of Death】【Congratulations to the host on your gift — Rebirth from Cocoon】【Congratulations to the host on your gift — Iron Will】Consequently, the ordinary college student Wu Bin became a regular at the major hospitals in Shanghai.The campus belle was smitten with him, the principal prayed for him, and the instructor treated him as his own biological father!“Why can you fracture a bone just by going to the bathroom!”“How dare you travel all over with only 1 platelet?”“This batch of college students, they're very fragile, hard to kill!”