Gratifying The Royal Family

Gratifying The Royal Family summary:

Gratifying the Royal Family [R18] Xu Mo, a modern high school student was sent back in time to Jing Kingdom and found herself trapped inside of the body of a princess with the same name. She had barely recovered when she learned of an unparalleled fiancé and in a daze, they got married. Then the stunning genius physician who normally does not pay attention clamoured to marry her. After that, there was a cold general, a flirtatious lord, a tsundere* young master…… As is turns out, this was a male-dominated dynasty. Because the female population was spa.r.s.e, the entire nation shared wives regardless of rank or n.o.bility. Is it feasible for someone wants to maintain monogamy in this dynasty? *TL-note: Loanword from j.a.panese depicting someone who is unfriendly and blunt, but warm and tender inside.