Any webtoons where the 2nd Male lead gets his own story? BL or Straight

This, I'm not sure if you're referring to a spinoff of the main story but
https://www.mangago.me/read-manga/for_my_abandoned_love/

I'm reading that one it's good but yes I meant like a spin off of the main Story like in Finding camellia, the 2nd Male Lead of that one is getting his own story soon