Kawaranai Koto. Zutto Nakama na Koto ("Much Won't Change. We'll Always be Friends") was SKE48's Spring Concert in 2013, held in Nippon Gaishi Hall, Nagoya. The concert acts as a farewell and graduating stage for Tabidachi Sotsugyou-gumi. 3 different shows were done in the time span of 2 days, from April 13 - April 14, 2013.