Just changing shouldn't count as seduction. Lingering in certain poses while doing it? Yep, that qualifies...
Of course, it is relative to the level of sexual satisfaction of the person in question. If you are sexually frustrated enough, a well turned ankle can be seductive as hell, let alone a complete strip!
If me switching into my sleeping clothes is seducing you, then you've been seduced by little girls how many times by now?
WHOA! TMI! LOL! Don't really want to know about Gen being seduced by little girls! (I know he likes the lolis, but ... ) (Unless a certain fairy is the little girl in question, at which point I suggest that size of certain portions of a female's anatomy being on the small side does not equate to being a "little" girl in the seduction/stripping sense. For example, take a look at this picture of Konatsu from
Tari Tari:
Sure, underneath the frilly top is practically nothing, but look at them curves! She is ALL woman!