Just so you all know i didnt write this. I requested this from a friend on Quotev and she was kind enough to let me write it here and feature this on my Pennywise book. So if you want to check out her awesome imagines/one shots,i'll leave you all the link.

https://www.quotev.com/story/10060971/PennywiseBill-Skarsgard-imagines/38

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You were Bill's older sister and you were terrified of Pennywise because he had killed Georgie and a lot of other children. You were walking home from school with Bill and you had to go past the abandoned house where Pennywise lived. "Let's run past here!" You exclaimed and you grabbed Bill's hand.

"Ok." Bill responded and you both ran past the house. Suddenly Pennywise appeared in front of you both.

"Oh god! Run the other way!" You exclaimed and you and Bill turned to run the other way but Pennywise appeared again. Pennywise ran over to you both and you were terrified but you pushed Bill behind you.

"So which one of you wants a tour of my house?" Pennywise asked and he smirked. Your heart was racing and you felt very sweaty but you weren't going let Bill go with Pennywise.

"I do." You said and you walked towards Pennywise but Bill grabbed your arm.

"You can't go!" Bill exclaimed.

"I have to, I can't let him hurt you." You replied. .

"Come with me." Pennywise chuckled. You walked over to Pennywise and you hoped that Bill would get away.

"Bill, run!" You exclaimed and Bill hesitated. "Go! Now!" You exclaimed and then Bill started to run away. Pennywise grabbed your arm and in a few moments you were down in the sewers.

"I'm going to put on a show for you since you came willingly." Pennywise chuckled and he disappeared. "Now it's time for Pennywise the dancing clown!" Pennywise exclaimed and a door fell down. Music started and Pennywise danced to it, you thought it was very strange. You saw that Pennywise was focused on dancing so you decided to find a way out of the sewers; you started to run away but Pennywise jumped down from the stage and he lifted you up. "No you're not leaving, you're going to stay with me forever." Pennywise said and he hugged you. You gasped and you hit Pennywise.

"Put me down!" You shouted and you kept hitting Pennywise.

"Fine." Pennywise responded and he put you on the ground. "But don't even think about trying to escape." Pennywise said.

"You know Bill and his friends will find me." You said and you folded your arms.

"No they are weak and scared children!" Pennywise shouted. "And I won't let them have you, I want you all to myself." Pennywise said and he stroked your cheek. You were disgusted by Pennywise and you backed away from him. "Oh Y/N, don't you understand that I don't want to eat you?" Pennywise asked and you frowned. You were confused about why Pennywise would take you if he didn't want to eat you and you wanted to know why he wanted you.

"Then.. What do you want?" You asked.

"I want to have more who are like me." Pennywise replied and you gasped realising he wanted you to have kids with him.

"No! Eww! You're disgusting!" You shouted and you started to run again. You managed to get into one of the tunnels and you hoped that Pennywise wouldn't get you; as you were running you ran into Bill and his friends. "Oh thank god you're here!" You exclaimed and you hugged Bill.

"We're going to kill It." Beverly said.

"Ok, I know where he is." You responded.

"Here's a bat for you." Bill said and he gave a bat to you.

"Thanks." You replied and you lead your friends. You got back to the room you had been in before and you saw a young girl crying. "Uh she wasn't here before." You said and you pointed to her.

"I think it's Pennywise." Bill whispered. You all went over to the little girl and she turned and looked at you all.

"Please help me get out of here." She sobbed.

"You're not real!" Stan shouted and the girl changed into Pennywise. Pennywise grinned at you all and then Bill shot Pennywise but he just laughed. Pennywise ran at you all and you hit him with your bat; you all fought with Pennywise and he was weakened. You went over to Pennywise and you hit him over the head with your bat; Pennywise fell backwards into a hole but he was still holding onto the ledge. Pennywise's head opened and you thought it was disgusting and then he let go and you were glad that you and your friends had defeated him.