Board Thread:Suggestion Box/@comment-29759785-20161112085645/@comment-27384850-20161112150200

As qunow has said, standalone and non-canon are not the same thing. Girls' Ops and Alternative (both GGO and Clover's Regret) are standalone stories just like CotM, but since they don't contradict the canon in any way (yet at least) they can be inferred to be canon.