System 666 has always been a bit rough. Why does its host work so hard and follow the plot, but it always develops the infatuated female partner in the original work into the male lead's buddy?
[Marriage of a Rich Family] When Gu Jin neatly pushed the only gangster still standing on the ground and successfully completed the beautiful woman saving the hero, the male protagonist behind him tremblingly reached out and patted her on the shoulder and said, "Good brother, I didn't expect you to be able to do this."
[ABO] Gu Jin took the physical examination report with trembling hands and found that the female partner who was supposed to be transformed into an omega had become an alpha. The male protagonist next to him smiled and said, "I knew you must be an alpha because you are so handsome. We can live in the same dormitory."