Which is exactly why he should go back. With Danger Sense, there’s more than a likely chance for it to go off when the traitor is revealed.
Also, some explanations on the difference between the volumes and original release:
I’ll be honest with you guys, if what the translator says is true, then the whole chapter’s flow is strange. I’m hoping someone can post the full pages of where the extras are added in so we can get a better sense of the flow. Plus, some of what the translator says is speculative, so I’m hesitant to take their words as is.