True Octo Samurai is a friend to Inkmatas, Switch hood is Inkmatas GF and so, Both Inkmatas x Switch hood and True Octo Samurai x Inkmatas can both exist
N-no, You can have more then one ship, True Octo Samurai x Inkmatas and Inkmatas x Switch hood can both exist, True octo Samurai x Inkmatas just won't be canon