"Finally after that long hard battle, you fall. now to take your mind and strip you of that morality you're so fond of" (io 'princess connect!', dms open)
Turns out Gardevoir learned sweet scent behaves as an aphrodisiac to human women, allowing her to grow a small harem [Officer Jenny/Nurse Joy/Jessie/Ash's Mom] (didn't catch name of artist, source in comments)