Nooo I’ve read a lot of love triangles (even tho I hate it) wherein the ml is the one who likes the mc most of the time so it is considered a love triangle too since it involves 3 person like this:
1st ml > mc > 2nd ml (unrequited chain)
1st ml > mc < 2nd ml (this is what you mentioned)
1st ml < mc < 2nd ml (unrequited chain)
And vice versa. They need to consist of 3 person to be called love triangle. You can search more to know the meaning.
And seeing the latest chapter, they wanted to make it like that as I predicted. Since gwangsik has the tiger inside him (that deeply affected his emotions)

Please dont make gwangsik the love triangle ugh. I always thought of him as Muhuen’s child (‘cause he took him) please dont ruin my imagination ToT
I hust really hate love triangle trope so…..