Aitai,Aitai,Aenai. sold about 180K copies in the 1st week of release which further extended KinKi Kids's number 1 singles records from their debut until now
Also , my mistake , KinKi Kids did not performed Ai no Katamari at last night's CDTV Special! Christmas Ongaku Sai 2018 but instead they performed the festive Cinderella・Christmas
https://www.oricon.co.jp/news/2126204/full/