~SKE48 fan welcoming ceremony~ / 10th anniversary Spring Fan Special! ~Can we make 100 new friends?~

"SKE48 Tandoku Concert 10-Shuunen Totsunyuu Haru no Fan Matsuri! ~Tomodachi 100-nin Dekiru ka na?" is a concert that was held by SKE48 in Nippon Gaishi Hall on April 28, 2018. "SKE48 Tandoku Concert ~Sakae Fan Nyuugakushiki~" is a concert that was held by SKE48 in Saitama Super Arena on March 31, 2018.