The Host Keeps Getting Targeted Again and Again

That's right. As an outstanding quick-transmigration mission specialist for the Space-Time Administration, Nian Chen has never failed a mission. Her goal is to earn enough points to exchange for piles of cash, then quit and achieve both personal and financial freedom. She never expected to get involved with a man she should have stayed away from. “Chenchen, where do you think you're running off to?” he murmured, holding her tightly in his arms. “I won't do it again, I promise.” Nian Chen was close to tears. Can someone tell her how things ended up like this?

World One: Aloof Senior Sister × Scheming Junior Brother

World Two: Sweet, Delicate Actress × Cool, Aloof Doctor

World Three: Athletic School Team Star × Weakling Campus Beauty