Rikon Yotei no Keiyaku Konna no ni, Reikoku Koushaku-sama ni Shuuchakusareteimasu - Ch. 1

[MangaDex]

 

[Qdxszz]

Interesting.. A girl absorbing magic through her mouth? And she already kissed the sister to make sure she can absorb others magic.. Well that's quite something.. I wonder if there's the sister route?