High School DxD culminates with Issei Hyoudou and Rias Gremory solidifying their bond. Issei's growth into a powerful devil earns him recognition alongside Rias, leading to their official engagement.

When visiting Rias’ family, Issei and Rias come across Sairaorg, who ends up challenging Issei to a fight to test their mettle before he and Rias’ rating game officially begins. After confirming that ...

High School DxD just put the finishing touches on its fourth season, and fans are definitely happy to see where the season wrapped things up as Issei and Rias took a new step in their relationship.