Tohoshinki sold quite a lot (>100k) for each of their two 2012 singles, and of all the kpop people who are charting in Japan, based on their sales, charting positions, longevity, consistency in sales and recognizability, Tohoshinki is very much guranteed their spot at the year end shows. i don't mind Tohoshinki to be honest, and while not stanning for Tohoshinki, i do respect them. and at least as far as i remember, they sang two respective Japanese songs in the year-end during the song's respective release year (one being that Doushite song) and not just a Japanese version of their KPOP songs.