PSA: it's okay to ship characters who are already in a relationship!

Your work is fan-made, it won't affect canon source. Go wild, ship them with ABCDEFG. Multiverse exist! You want to write a get-together after the character recently broke up? Go ahead! You want to write a what-if when the character is still single? Go ahead! You want to write a whole other universe where the character is with someone who isn't the main love interest? Go ahead! You want to write a cheating story? GO AHEAD!