User blog comment:Crimson and Darkness/Volume 25 discussion blog/@comment-2208155-20180520143001/@comment-30924344-20180520152209

Ishibumi has literally three times now confirmed Issei is going to become a Breast Dragon God. First in EX, then V24 + V25 (24 for dragon and 25 for breasts) and now with this tweet. 4 times singular for dragon god with the second time before V24 and this tweet being the title of the fifth arc.