1 of SID's staff member WESS surprised SID with a cake after they finished SID TOUR 2017「NOMAD」at Hokkaido
https://twitter.com/sid_staff/status/934443588783456264
Also reason why Aki was able to make a special appearance at LiSA's concert was because LiVE is Smile Always～LiTTLE DEViL PARADE～ was held in Hokkaido so = double win