Aizawa with the "don't actually want to not date you but I am afraid so I am gonna put myself down and build you up instead hoping you will be the one to leave so I don't have to face my feelings" technique, good thing it backfired! Misumi is a great character.
@PantsuKami The color/shape of the dresses were probably just described to Lily beforehand so she could choose it, thus she knew exactly what color the dress was that she herself chose. As another comment mentioned she wasn't blind from birth so its not a huge leap to think she has a grasp on...