You Call This a Villain in a Romance Anime

Transmigrated into the world of a romance anime and became a popular, villainous supporting character? Ikegami Suguru was utterly bewildered, staring at his character setting: wealthy family, open-minded parents, tall and handsome, all-around talented, the center of attention at school, practically walking hormones… With this setup, how could he possibly lose? Wait! What the heck is this popularity system? What does it mean that if his real-life popularity is insufficient, the anime world he's in will face its end?! Faced with this survival crisis, Ikegami Suguru, who originally just wanted to be a winner in life, has to pull himself together and work hard to rewrite the plot to save the world!