Sister, I Don't Want to Just Be Your Brother

After ten years of relying on each other, he was no longer willing to just be her brother. The secret love between the pseudo-siblings, the ultimate pull, the inner struggle of the royal sister, the paranoia and passion of the young man, a love trapped in the worldly perspective, sweetness and abuse, forbearance and redemption, two-way running, 1v1 double purity.