Quote Originally Posted by Sincronic View Post
50cc60 Max def = 229 Def
100% Affection bonus = +66 Def

229 + 66 = 295 Def

Wiki has affection separated from other stats, hope that helps

Edit:
What i would like to know from DMM players, is why Katie has more defense on seesaawiki.jp, did she get her defense buffed at some point?
should be. unfortunately i'm too new so I have no idea when they buffed it.