No Matter What Happens, I Will Never Go Back to Being in a Romantic Relationship with My (Ex)girlfriend Who Didn’t Believe in Me.

One day, the protagonist finds himself falsely accused of a crime. His girlfriend, Yasena Asami, one-sidedly accuses him of being the culprit and breaks up with him.

With nobody believing his innocence, the protagonist becomes a target of bullying at school and is left utterly devastated.

However, over time, the protagonist manages to clear his name in cooperation with Midori Takaki, a well-known celebrity at school. Upon learning the truth of the false accusation, Yasena is overwhelmed with regret for not believing in him and apologizes to the protagonist. But it is already too late…

The story is about how he wants to drive her into a corner by ignoring her and other things she didn’t believe in.