User blog comment:Crimson and Darkness/Volume 24 discussion blog/@comment-2607:FB90:A30C:6DDF:0:53:8B2:2501-20171222180152/@comment-29963364-20171223002811

Because even though Issei's team is supposed to be super strong and badass, they're making alot of mistakes, falling for traps/tricks, accidentally breaking special rules, getting cornered, and having difficulty against teams who are supposed to be weaker (way weaker) than them.