Pleaseee pleasee anyonneee tell me

They are switchers

but Iwaki is most of the times the uke and Katou the seme.

Thank youuuuヾ(❀╹◡╹)ﾉ~

thankk youu ヾ(❀╹◡╹)ﾉ~

I think they are equally Uke and Seme.