My Runes Can Be Upgraded - Chapter 1188 - : Three Months, Fifth Refinement, Reading the Heavenly Book 3

aira swore she’d keep her heart locked until her final year ended. No distractions. No love. Just goals.But then he walked in—arrogant, mysterious, and dangerously charming.One wrong glance turned into late-night texts. One shared secret became a stolen kiss.And suddenly, the future she’d planned… didn’t seem so clear anymore.Can she graduate without breaking her heart? Or will love ruin everything before the last bell rings?

Arnold never thought his gaming skills would land him in a romance novel—as a doomed side character, no less. To survive, he hijacks the heroine's “system,” bending the story to his will. But when he dodges a deadly duel, he catches the eye of the heroine, Lara, his own step sister—and her love is a dangerous game. Arnold must outwit the plot and his step sister who's not afraid to kill for love. In this LitRPG romance gone wrong, survival isn't just about beating the system—it's about escaping the heart of a yandere.

My childhood friend went to the academy.