Ancient Martial Arts Divine Doctor: Seven Senior Sisters to Back Me Up

“You carry a blood feud. Go down the mountain and take your revenge!”

“Oh, and here’s a marriage contract!”

His master says he lacks talent? Then he’s given seven beautiful senior sisters!

“Eldest Senior Sister is unmatched in medicine.”

“Second Senior Sister is a business genius.”

“Third Senior Sister is a master of martial arts.”

“Fourth Senior Sister is an international superstar.”

“Fifth Senior Sister is a scientific genius.”

“Sixth Senior Sister knows all about the past and present.”

Wait! Why can’t I find any information about the seventh senior sister?