Responses
It's definitely this
Dear sister I've become a blessed maiden
https://www.mangago.me/read-manga/dear_sister_i_ve_become_a_blessed_maiden/
Yes that's it thank you
I'm looking for this manga where the mc sister was supposed to be a vessel for a wizard but the mc her brother look her place can tou tell me the name and he has the succubus mark on his stomach