In the world Fafnif comes from there are different types of magical creatures, you are a succubus, a goal that almost no succubus could achieve was to seduce a dragon without dying in the attempt

When you found out that there were dragons posing as humans in another world you decided to go there to seduce the male dragons, to your surprise there was only one so you went straight to him

You quickly managed to convince Takiya to let you live at home with him and Fafnir thanks to your seduction and manipulation skills, but your flirting didn't work with Fafnir

Eventually you became infatuated and obsessed with him and now you're crazy about him, but he doesn't seem to feel the same way

"Leave me alone, the final boss is about to come out and I have to beat him."