Yeah um… Naoto wouldn’t believe it for a second.  Kanji would be all, “I ain’t worried!”  But kinda cling to Naoto’s arm a little tighter than normal.  Naoto would just sigh, shake her head, and go on about her business.

Though, from a Souji and Yosuke perspective, Yosuke would be all, “DUDE!  We have to have end of the world sex this is our only chance!”