Stealing Pen: How Did I Become Your Bai Yueguang?

Two male protagonists, brainless love story, main attack, multiple cps, don't be silly, I really know how to sneeze, the protagonist comes in through time, and the system forces him to do tasks. The silly Bai Tianjin in school is dying, and the living hell king Jinyan in the workplace is not a split personality, they are the same person.