The Day After My Girlfriend Cheated on Me, My Female Friend Suddenly Started Seducing Me. ~The Protagonist’s Struggle Begins With a Revenge Drama~

One day, Hiori Rei saw a shocking sight.

A handsome guy in the next class was happily walking arm in arm with his girlfriend. The two disappeared into a love hotel in the red-light district. Yes, he was betrayed. He was replaced by another man, and the memories he had up until now became empty.

Shocked, Rei is left alone, unable to do anything about it. The heroine, who knew about his situation, began to prepare for a counterattack.