"Kessen Toujitsu" is one of the tracks for numtack05's Putin-P Series; it is Putin-P's second collab with Shiuka. It was first uploaded on April 26, and overall has a relatively popular views, with over half a hundred thousand views (in comparison to other songs in the series; though Kienai Hitomi being most notable with 200,000 views). Main article: Putin-P Series (Part 2)