After Being Poisoned, I Became Invincible!

Su Yiran is a winner in life in the eyes of others. As soon as I entered the college, I rented a room with the school beauty! But he is the only one who knows! In the eyes of others, the dignified and generous school beauty is a yandere! Sharing a room with him is for unknown purposes! After renting together. Not only did he torture him to death every day, but he also poisoned him crazily! Just as Su Yiran was waiting to die, he just heard—— "Ding! Congratulations to the host, the drug stimulates and activates the super invincible system!" Su Yiran, who had recovered, looked at the stunned school beauty. Gearing up—— Hehe, things are changing! Now, I finally wait for the day when I can take revenge! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.