so... let me guess, transform into a girl, spend some time, love him and get killed by that yandere again? I think we might know the script with all those hints
poor El, imagine you being early and yet she saw the fallen noble got bang, elf get bang, dark elf get bang while never getting it. hope she get the bang of her life that she wanted
we need a confirmation whether magic was involved or not, other than the special oil with healing effect. if not, he's serious about having fun than just straight up bruteforce his way with brainwash and stimulation
he better get a private lab in the castle if he need more time to do experiment, especially the one he's doing before getting summoned (I feel bad for him for being interrupted)
would've been better if he make her his woman instead of rape and leave the credit to the thugs, like have her stay there in case he needs her in the future