Hi:) Here is 8th part and sorry about grammar :)
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I smelled it , and it wasn't just tequila in it... It was something else. Wait ! Oh God! Someone put him in the glass , something like drug , kind of it...I have to tell Liam , now!
''Liam come!'' I yelled at him..
''What is wrong?'' He said that confused.
''Look at this , smell it! It it is Zayn's glass.'' I said worried ''This is not just tequila...''
''And how do you know all that?'' He said carefully.
''I just don't want to talk about that, please..'' I reaplied...
''Do you have something to tell me?'' He said worried.
''No , not really...'' I almost cried but he hugged me and told me everything is gonna be fine.
''What now? What about Christina?'' he said concerned...
''I don't know but please , Take her home ...This is too much for her.'' I was staring at his eyes with tears.. ''And , don't go home , please! Zayn is still influenced , I'm afraid if he will try something to do to you!''
''Fine but ,Where will I sleep?'' He said confused.
''I am alone this weekend,My and Nena's parents are on trip together so you can stay with me at my house..'' I blushed but he just nodded ''Of course if you want that.''

Nena's POV
We all came home..Well this night was long. I hope everyone is okay.I need to realax so I will take a shower now..
(After 15 minutes)
Uhhh this was too realaxing. As I wrapped myself into a towel I heard someone knocking on my window.I was little scared becouse it was too late for visitors and i was alone. I opened the window but there wasn't anyone out there ...I am tired , I thought I was hallucinating so I went to brush my teeth , then the lights turn off. What is this? is someone in house ? My brain asked too many questions at the same time ,but then I heard the voice behind me..
''Hey Love! How are you?'' Louis was laughing ''I wanted to check on you!''
''Oh my God ,Louis! You scared me!'' I hugged him.
''Hmm , what are you doing , towel girl!'' he joked!
''Hey! you should be very carefull , maybe I am towel girl but I can still beat you!'' I whispered him in his ear .
''Well try it then!'' He kissed me on my neck and we went to my bedroom.
''Fine!'' I pushed him on my bed and climbed on him. Then I smirked , Looked at his eyes, and began kissing him..We spent the rest of night making-out and then we fall asleep.

*Next Day*

I woke up and I just realised Louis was sleeping next to me! Wait! What am I saying! We slept together!
''Wake up idiot!!!'' I yelled at him.
''What?'' he said confused ''What I am doing here!? With you in your bed?''
''We fall asleep i guess!'' I laughed a little.
''I need to go sorry, Niall and Harry are maybe worried. You know what is with Zayn.'' He said sad.
''You said Niall and Harry, But where is Liam?'' I asked him confused.
''You have one chance to guess!'' He was laughing now.
''Hmm Katherine? Hahaha I can't bealive it!'' I joked.
He kissed me for goodbye and then he went back home...

Zayn's POV
I woke up! I feel so tired!
''Hey guys ! What happend last night, I just remeber that I order one drink...'' I said confused.
''You really don't want to know what happend'' Harry and Liam said at the same time.
''Tell me , what did I do?'' I asked them .
''Someone put you some kind of drug into your drink ..?'' Niall said carefully.
'And you hited Liam!'' Harry continued.
''I did what?'' I was shocked.
''Yes ,yes and you said him some stuffs about Katherine , that she is stupid , i guess like that.'' Niall was nervous.
''What about Christina? Did I say something to her?'' I feel like an idiot.
''Well kind of. I think you two should talk'' Harry said with weird face...
I have to talk with her , I really feel bad..Maybe she hates me now?I am going to visit her.

Chapter 1 Part 7:
link

Chapter 1 Part 9:
link