Lion Heart of the School Festival.After activating the form, called Cardinal Crimson Promotion due to the color of the armor, remembering his promise to Sirzechs to fight for his and the children's dreams as well as the dreams of the Gremory family, Issei publicly confesses his love for Rias before he and Sairaorg engage in a fistfight duel, exchanging blow for blow. Although Ddraig reminds him that he has hardly had time to adjust to his new form, Issei fights through it and manages to overpower Sairaorg...