Hi! There are only 20 series in season 2 "It Started with a Kiss" (http://mydramalist.info/title/357/e_zuo_ju_2_wen / https://zh.wikipedia.org/wiki/%E6%83%A1%E4%BD%9C%E5%8A%872%E5%90%BB), but here mysteriously next to 20 appeared 25:
http://www.tvmaze.com/shows/16104/it-started-with-a-kiss/episodes
Check it, please^^