need help find a manga about a isekai saintess and a dragon

it was a two chapter one shot, lots of detailed smut. saintess has long black hair and fights in the army, dragon man has dark skin + lots of muscles.

saintess (nicknamed lulu? by the dragon) was isekaied into a video game/book where she gets betrayed by a dragon soldier. she can reset or save using some kind of memory orb/crystal. when she has the chance to kill the dragon she doesnt because shes not the real lulu, and the dragon goes crazy style on her because he wants her to love him. eventually her mind breaks because he destroys the memory orb and she says she'll love him if he doesnt kill her.

art was amazing, just cant find it anywhere because i read it on the now long gone site bat* .

thank you for your help! :")