Red Dragon Emperor of the Blazing Truth × White Dragon Emperor of the Morning Star: The True Dragon(s) of the Kuoh Academy

The Legend of Oppai Dragon and his Lively Companions (明けの明星の燃え立っているTruthx白ドラゴン皇帝の赤いドラゴン皇帝：Kuohアカデミーの真実のドラゴン（s) is the fifth and final story arc in High School DxD. The story arc began in Volume 22.