After the Tanjiro's group went on a lot of missions, now this is a challenge for them, the new mission for their group is to kill the Lower Rank 5 Demon, Rui, Rui's rank is quite low, but the past demon slayers cannot kill him, but they got killed by Rui instead. So, Shinobu decided to join their group as a senior to give them the instructions and help them fight too.
Soon after, they left and on their way to the Spiders forest.
Meanwhile, Rui received the order from Muzan. It said "Rui, I knew that you're so strong enough to kill the Demon Slayers, they aren't going to be your problem, right? Don't make me disappointed like Yahaba and Susamaru again." Then he called up his made-up family to have a human flesh as the meal. The Spider Family are including The Spider Dad, Spider Mom, Spider Brother, Spider Sister and Rui and he also talked about the upcoming fight "Mom, I needed you to disturbing the Hanafuda Earrings guy (Tanjiro) and Dad, Brother. You'll needed to take down the other 2 Slayers, Sister will fight against another Slayers and I will take on the Hashira."
2 days later, The Demon Slayers gang are arrived and saw that Rui and his family is waiting for them. "Oh, finally you're here! I don't know why Lord Muzan wanted you so much, Tanjiro. I'm stronger, better and more experienced than the 2 weak demons. Now, I'll show you my true strength!!!!" Then the Spider Mom catched Tanjiro by using her webs and took him with her. Inosuke and Zenitsu is charged at Rui, but they got disturbed by the Spider Dad and Brother, Kanao fight against the Spider Sister and Rui is fight against Shinobu.
Tanjiro can easily turned back but, Spider Mom's web cut through his pants and he's accidentally used his sword to cut her clothes. It makes his cock revealed and her boobs opened. His cock suddenly getting hard and the Spider Mom saw it, she's trembling and shaking. So, she quickly grabbed it and suck it. "Mhmmm...Suck..Suck..Mhmmm" "Nani!? What are you doing!?" "Ahh... this is heaven! I loved it! It's better than the Spider Dad's cock!" "Ahh! Stoooop it!" 3 mins. later, he came inside her mouth, then she swallowed up his cum. "Mhmmm, so good very tasty! Now let's me som--" After she swallowed his cum, he had been beheaded her. "What!? How!? I didn't feel like, I've beheaded by him! But, I'm still feeling good about his cock and cum, I'm sorry Rui." she talked in her last action and her body and her head start to burnt and soon after her body and her head has gone. Now Tanjiro went to assisted Shinobu against Rui.
Meanwhile, the Spider Dad and Brother got beheaded by Inosuke and Zenitsu and the Spider Sister got killed and humiliated by Kanao and they're also assisted Shinobu against Rui.
Rui was in shocked about his family's death and the other Demon Slayers are back. But he can took Inosuke and Zenitsu out easily, but Shinobu keep distracted him, but he tried to get rid of her. 15 mins later, Tanjiro got the chance to beheaded him and Tanjiro did it. He had finally behead him and finished his job.
"Bu-- It's falling down, that's no way... I'm much stronger than him, had a fast regeneration and I don't died easily, but he was just a normal human...no... I'm too weak...N--" Rui said in his aftermath, then his body and head burnt and dissolved as a dust. Then Shinobu got fell down and she's kinda fainted, so Tanjiro saw that he quickly slide down to carry her. "Wait! Miss Shinobu, are you feeling well? Did you have got fainted? How would I help you?" "Don't worry...go find Inosuke and Zenitsu first...and I'm feeling well." Shinobu said and Tanjiro nodded and left her with Kanao, then he went to find Zenitsu and Inosuke. Soon after he found them, meanwhile the Rescue Demon Slayer Group has arrived at took them to the Butterfly Mansion successfully.
The End.