Where is Our Agreement to be Each Other’s Arch-Rivals?

The web celebrity, Chen Suyang, transmigrated into a film adaptation he’d just finished rolling the death scene. Now he has to play the villain—the Evil Sect’s young master, Su Yang. To return to his own world, he faithfully acted according to the script, and solemnly recited his lines—waiting for the day he’d die under the protagonist’s sword. But.. why did he feel there was something wrong with the plot? Wait, where’s the part where he dies under the protagonist’s sword? How did it become rolling under the protagonist, being done by him? This… this… this situation’s too embarrassing?! Source: NU Includes 2 extra chapters.