Talk:Tsumetai Kaze to Kataomoi / ENDLESS SKY / One and Only/@comment-58.106.4.87-20160114230417/@comment-4074115-20160115033854

^ It's not just the ranking; there was a bit of a spike in sales (more than the total for week 2).

Usually this is due to some kind of event, but I don't keep track of their event schedule so I don't know for sure.