Guren Ichinose X Female.Reader +Prequel (Owari No Seraph)

You are Guren's childhood friend, or rather his first love but everything's changed after you went to Africa for about 6 years ago. You both met each other at school,again but everything's changed when you know that he is now in relationship with Mahiru Hiragi. Besides,your love life, there is something that your family want you to do, it is to wield the most powerful demon in the world, The Great White Demon.

NOTES:
Besides, Guren and all Owari No Seraph character, there is another special guest. Its Gojo Satoru from Jujutsu Kaisen! And it will be a fast update from me too 💕🤍

UPDATE :Im going to add prequel of this fanfic in this too but they might contain spoilers of JJK&Bleach. Read it at ur own risk ok. So i add "THE WARNING" before the prequel chapter so that you know where you should stop reading(Anime only)

The image cover is not mine, i got it from internet(i cant find who is the owner)and all of the character involve in this story belongs to the respective parties(Jujutsu Kaisen and Owari No Seraph)

Rank so far: #2 shinyahiragi
#7 gojo
#1 Guren
#2 seraphoftheend