High School DxD

Lecherous high-school student Issei Hyodo goes on his first date.

Issei learns what has happened to him, and about the battle between angels and fallen angels.

Rias warns Issei about fraternizing with the enemy.

Though Rias berates him, Issei focuses on rescuing Asia.

Issei rescues Asia but winds up in a fight with Reynalle.

Asia gets new living arrangements; Issei begins a training regimen.