@Akuzuma They are becoming more common https://mangadex.org/title/44534/mezametara-saikyou-soubi-to-uchuusen-mochi-datta-no-de-ikkodate-mezashite-youhei-toshite-jiyuu-ni-ikitai https://mangadex.org/title/37074/wakamono-no-kuro-mahou-hanare-ga-shinkoku-desu-ga-shuushoku-shite-mitara-taiguu-iishi-shachou-mo-tsukaima-mo-kawaikute-saikou-desu
So Demon was said first before human and when she said slave and master it makes me think the order is done for a reason. Its likely that she made a the master servant contract with him as the master and her as the servant. Thanks for the chapter and the hard work.
I guess now Nea is officially part of the harem. She could've saved them a lot of trouble by just asking to come with him from the beginning. Sexy vampire girl get.
@Indomiegoreng
if he did they would be in serious trouble... his body and endurance arent normal
which is why we will probably be spared of the trope in which the mc gets fed aphrodisiac because with our mc that would be suicide for anything short of an immortal