NOTE: I know everyone has personal canons, but please refrain from adding the Wedding tag since the official story had no mentioned such thing.

P.S: Even the Japanese immediately seen this as their marriage.

They aren't married "for real," but the rule is to tag what's visible in the picture, not what you know about canon. And in the picture, there's a bride, a groom, a dress, and a cake, which are all visual characteristics of a wedding.

3... 2... Frosted Butt!