After My Adoptive Sister Sent Me to the School of Masculine Virtue, She Went Mad With Regret

I was adopted after the legitimate son of the Prime Minister’s household went missing. I buried my feelings deep inside and never dared let them show. But then the Marquis’s true legitimate son was found and brought home. I was framed for poisoning him. Su Qingning looked at me with disgust. “You’re utterly vile and shameless. Send him to Wutong Academy to learn some manners.” Three years later, my adoptive sister finally remembered me and wanted to bring me home. But she didn’t know that I had been unable to return ever since my first year at the academy.