I Turned From The Villain To The Main Character

Wang Qian, an ordinary student in an ordinary school was hit by a speeding car before reincarnating into a novel world and became the villain. He got a system and was given a quest, which was

[ MAIN QUEST ]
[ TARGET : KILL THE MAIN CHARACTER ( HERO OF THE HUMANS ) ]
[ DEADLINE : NONE ]
[ MISSION REWARDS : CONTINUATION OF LIFE, 10000EXP , [???] ]

Wang Qian : "Did I just got a system that threatens my life?“