"It started out with three students, though. Unfortunately the third had to return home partway through the term, so it was just us in the end..." Minato is in agreement with his sister that it seems easiest to hide that they are from different worlds, but he doesn't want to lie and say he wasn't in a club when he was. It occurs to him with this slip that he and Minako really need to discuss who they each knew and didn't know...