What does わざわざ相方用に mean?
The whole sentence is わざわざ相方用にレイヤーさんも気を使ったのかな
source
https://twitter.com/jdpajdpa/status/922046557863550976
I think the レイヤーさんも気を使ったのかな part translates to "I wonder did cosplayer also(?) pay attention to", but what does わざわざ相方用 mean?