User blog comment:B214/Volume 23 discussion blog/@comment-172.58.17.208-20170402060034/@comment-30924344-20170402221901

This is after Issei's defeat of Apophis:

--Issei wakes up again in a hospital, to his surprise seeing Ophis with a voluptuous figure, Vali who was also hospitalized explains that Ophis adjusted the borrowed power by stabilizing the infinity power within him to a level that his mind and body could withstand, effectively curing him of his Dragon Deficiency and resulting her current state and thus allowing him to see and speak about breasts without pain.--