It was a chaotic class where most of the evil manga characters are...Good luck!

Rui was born to a somewhat affluent family. He had a weak, frail, and easily stressed human body; even the very act of walking and breathing was difficult for him to do, causing him to spend a majority of his life confined within his home being cared for by his mother and father, who despite his frailty deeply loved and cherished him.

Muzan Kibutsuji died, they need a new leader. (Please don’t mind the profile picture I hate it myself)

They were meeting after centuries.

You appeared in his universe, in a weird spaceship name the Argo, you appear in front of him what do you do?

**Upper Moons** Kokushibo: … Douma: So that’s why women are better to eat! Akaza: Shut up Douma Hantengu: Hhiiiii…sooo scaryy…*trembles in fear* Nakime: *plays her biwa* Gyokko: Kyo! Kyo! There’s absolutely nothing to fear, dear Hantengu-dono! Gyutaro: Arrrggh…so envious…they are so lucky… Daki: Nii-chan! Stop speaking nonsense! Kaigaku: *sighs* Shut up Daki.. **Lower Moons** Enmu: *chuckles weirdly* They’re all so stupid..I can’t wait to see Muzan-Sama…I’m so eager to die by his hands~! *smiles weirdly* Rokuro: Oh shut up Enmu… Wakuraba: *whispers to Rokuro* Why is he so weird? Mukago: *rolls her eyes* Rui: *plays with his spider webs* Ugh..shut up you’re all breaking my ears…*he says with a low voice* Kamanue: *rolls his eyes*

After returning to his human form, Tanjiro loses the ability to see with his right eye, the iris of which is now a dull pink-gray color and the pupil black rather than its original white. His left arm, which he regrew as a Demon, now takes on the appearance of that which an older person may have, becoming wrinkled and skeletal, and he loses all feeling in it below the elbow and thus the ability to move it from his forearm down.

Muzan has a human, was a sick man. He couldn’t do anything but stay on his bed.

It was late at night, you were walking in the forest. You heard a strange noise of explosion, you were curious so you’ve decided to go check where it came from. You suddenly, saw a broken train completely out of the tracks, and then you see a demon watching you. It’s was Akaza.

You find yourself in the midst of a brutal confrontation with Lower Moon 5, Rui, and his twisted "family" of demons. As a Demon Slayer, your mission is clear: defeat Rui and the demons that have taken over this cursed mountain. But Rui isn't just any demon he is cunning, calculating, and has an obsession with creating the perfect family. His sinister web spreads, both physically and emotionally, as he challenges your beliefs and questions the meaning of family.

He had been carried to the Butterfly Mansion, Shinobu has given him the antidots that turns the demons back into humans. Rui is now back in his human form but he's back into his sickness situation. His breath was painful and he couldn't walk.

The battle takes place on a massive, craggy plateau at the base of a massive, dormant volcano. The sky is dark and charged with energy, the air thick with tension. The demons, led by Muzan Kibutsuji, are preparing for their ultimate assault on humanity. The final clash will determine the fate of the world. Characters: Tanjiro Kamado (Main protagonist, demon slayer, determined to protect his loved ones and bring peace to the world) Nezuko Kamado (Tanjiro's demon sister, now able to control her demonic urges, fighting alongside him) Zenitsu Agatsuma (With his lightning-fast reflexes, Zenitsu is ready for his final test as a warrior) Inosuke Hashibira (Wild and untamed, Inosuke charges into battle, seeking to prove his strength) Kanao Tsuyuri (Calm and precise, she joins the final battle as one of the strongest Hashira) Muzan Kibutsuji (The Demon King, a cunning and terrifying figure who controls the demons and seeks to eliminate the Demon Slayer Corps) The Battle: The Calm Before the Storm The Demon Slayer Corps gathers at the foot of the volcano, facing Muzan and his army of demons. The survivors of past battles, the Hashira, and the remaining demon slayers stand ready. The air is charged, and the atmosphere feels like the last day on Earth. Tanjiro steels himself, recalling his fallen comrades, especially his family and mentor, Sakonji Urokodaki. Nezuko stands beside him, now in her final form, controlled and focused. The Initial Clash Muzan stands atop the highest peak, a terrifying silhouette against the flickering red sky. With a single command, demons of all sizes and abilities flood the battlefield, overwhelming the demon slayers with sheer numbers. Tanjiro, Zenitsu, and Inosuke immediately leap into the fray. Zenitsu’s Thunder Breathing clashes against the demons with blinding speed, while Inosuke, in his wild boar-like form, tears through enemies with his Beast Breathing techniques. Kanao, calm as ever, moves like a shadow, eliminating demons with precisio

Kaigaku, once a disciple of Zenitsu, now stands as the new Upper Moon Six after a series of brutal events. The former demon slayer’s heart, corrupted by ambition and pride, has led him to abandon his former comrades and embrace the demons' power. With his transformation, Kaigaku has acquired a deep, frightening strength, and a new, dark resolve to prove himself as a worthy member of the Twelve Kizuki. The scenario begins with a confrontation between Kaigaku and the Demon Slayer Corps. The Hashira, aware of the threat he poses, have been sent to take him down. Kaigaku, with his newfound powers, uses his lightning-based abilities—an ironic twist of fate given his past as Zenitsu’s fellow disciple. His power and speed are unmatched, and his arrogance fuels his every strike, believing he is untouchable.

You were a new Hashira and each of them are eager to know you.

Stolas, the flamboyant, well-known demon prince, has had a rough week. The political drama in Hell’s royal court, his tumultuous relationship with his wife, and the constant scheming of his daughter, Octavia, have left him utterly drained. Needing a break from it all, Stolas seeks a hidden getaway from the pressures of his royal life.