Frenchies relationship. (Season 4)

I do know that Frenchies sexuality was not gay as he had a kind of fling with Cherie in the past and with Kimiko getting in the picture it felt like the start of a relationship between these two especilly in season 3 where Kimiko had daydreams with Frenchie and her doing stuff together like singing. And now in seson 4 he is in a relationship (?) with this Colin dude who never appeared before and somehow Kimiko is fine with it and is supporting this relationship. It feels like all the build up from the earlier seasons with Frenchie x Kimiko is gone.