Wedding peach??

U kow the purple hair demon who loves yousuke ? Does anything happen between them ? He doesn't like her right he like momo right? Btw in wedding 桃子 is it true the demon becOmes a 爱情 angel? I dont want her to 哈哈 and if she does is it like a one time thing? Like she doesn't stay a 爱情 天使 right? I know momo gets jealous whenever she Sees yousuke with a another girl but does yousuke every get jealous over her? Btw I heard the demon does become a 爱情 天使 in the 秒 omake what does that mean season 2 ? And is it true so if there were to be season3 there would be 5 angels? 或者 was it a one time thing