Fictional Others
I'm a selfshipper/yumedanshi! For those who don't know, selfshipping (also called yumeshipping) is the practice of shipping yourself with a fictional character. Characters you ship yourself with are called fictional others, often abbreviated to F/Os.
I have one main F/O, Kyosuke Kiryu! I've been selfshipping with him since 2021. This ultimately led me to creating my OC Sylvester Sauvage, who started as my self-insert character. While that ship evolved more into OC x canon, I still consider myself shipped with Kiryu.
My other F/O is my Ash Prime from Warframe. I fell for him all the way back when he released in 2015. I suppose you could consider him my longest standing F/O.