High School D×D (2012)

S3E12 Any Time, for All Time!

Issei is determined to confront Rias, even though she's relentlessly attacking him. As he endures her blows, he reflects on the cherished moments they've shared together. Fueled by his memories, he refuses to let Rias remain in this troubled state. With resolve, he charges forward, hoping to restore the noble and dignified version of Rias that he holds dear in his heart.