The First Book by Yu Sheng You Jiu

“Eldest Senior Sister, I’m short on cash!” “I just transferred a billion to you!” “Fifth Senior Sister, someone’s bullying me!” “Wait there. I’ll bring a whole squad to help you!” … I have seven senior sisters, each with a different identity, but they’re all incredibly powerful. Most importantly, they dote on their junior brother like crazy. With my seven senior sisters backing me, I’m invincible!!