I'M SORRY Tanzen

Transformation

Shout out to y0urfru1ty  for the idea!!
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Tanjiro POV
As the demon was attacking us he stopped mid way looking at zenitsu. "Looks like your little friend here isn't helping you" I can see the demon running to attack zenitsu I don't know why but my body just froze. Zenitsu managed to dodge the attack but when the demon attacked him again from the back it got hold of him. I felt sort of weird when he grabbed on to him it made me feel a bit angry. "you don't seem that bad~ I might just keep you for myself~" the demon said while putting the tip of his closed fan on his check. This made my blood boil I couldn't tell what this feeling was but it made me mad. "EH" I can see the demon starting to hold zenitsu by the waist and put a finger up to his chin" was the demon trying to flirt with my ze- I mean zenitsu. "Why is a beautiful face like yours goings to waste?... I would be able to treat you better than that dumb demon slayer." Is he talking about me?!! I can see zenitsu struggling to get out of his grip." Now now darling where are you going in such a rush? I wouldn't mind taking you away so we can have some fun~" What happened next made my blood boil. The demon squished zenitsus checks making him open his mouth and with that the demon kissed him. That motherfucker really took my zens first kiss! I now know what this feeling is,it's jealousy.... And I'm about to use it to kill someone. With that I ran out of anger attacking the demon with each swing being out of anger. I can see blood come out of zens mouth and a scratch on his neck. Not only was this demon trying to flirt/fuck him he was also hurting him!! But zenitsu just let it happen. The demon managed to get grasp of zenitsu again. "Stay back or else!" The demon said looking ready to bite into zenitsus neck. Zenitsu looked terrified like he was begging for help wanting to get out of the situation he was in. I try to get closer but when I did the demon got closer to his neck ready to bite him. Out of no where the demon bite zenitsu. Zenitsus eyes shot open from the pain his screams made everything worse but then the water pillar giyuu appeared and decapitated the demon and the demons body feel to the ground so did zens body landing near a small pool of blood from his blood and the demons blood.
"Hey zen....... Remember when we were younger we used to lay down together in the flower field? And make flower crowns for each other? I'm sorry I did this to you zen...... Also I never got to tell you my feelings for you when I disappeared but I  guess I wouldn't have that much time to tell you now but zen I love you and I'm sorry for everything I've done wrong.... I guess this is my time to go now....... Those memories were fun back then and I hope in the future we will be able to meet each other again..... The demon said with tears falling out of his eyes. I felt kind of bad for the demon all he wanted was to tell zenitsu his true feelings before he got turned into a demon. " kumari-kun........ it's ok I forgive you...." Said zen while crying zenitsu then passes out due to the amount of blood he lost. I'm sorry zenitsu I broke the promise!!" I said while running to zenitsus  unconscious body." Please be okay!!" I mumble under my breath. I can see giyuu walking to us. You guys need to go to the butterfly estate now!

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That's it for today thanks for reading!!!!