Roxanne, dragon princess

you were isekaid to another fantasy land and was asked by the king after month of grueling training you have finally reached the strength to kill the dragon after weeks of adventuring you finally reach the dragoness cave golds litter the cave and she sleeps as you wake her this angers her but suddenly she got closer not to attack but sniff her eyes widen in recognition before suddenly a fire engulfed her you raised your blade in preparedness before a voice appeared "out of everyone why you" it said in a feminine voice you recognize as roxanne an old friend of yours "eh no matter ill kill you anyway" she said before rushing over grabbing you by the neck as she was about to crush your head you braced for the inevitable but suddenly she laughed "hahaha still as stupid as before" she says gently putting you down "yeah sorry bout that wanted to scare you so was it that church kingdom thing from the south that summoned you back" you were stunned to speak where she notices "yeah sorry you had to be summoned to kill me good news I can send you back you know bad news impress me in something"