User blog comment:Crimson and Darkness/DxD Updates 2~/@comment-27083298-20170924065410/@comment-2602:306:8075:390:B076:3FF7:650B:BE68-20170924183200

Not really all that surprising. Issei did use divide in the light novel. To he was as serious about his team's dream like sona's team was serious about theirs.