I don't remember much of the main characters nor their names. I vaguely remember an arc in the story. So in this arc, it's wuxia, involving either the ML is the master or senior brother. So the ML ( his character in this arc) is supposed to end up with a shou (disciple along with the MC i believe). Toward the middle of the arc, the plot is that I think the ML experienced Qi deviation in a cave(?) and he was supposed to look for the plot shou but because there's MC, instead of the shou, the ML asked for the MC instead.
I think you are talking about "it's not easy wanting to be a supporting male lead".. though ml had qi deviation and all those stuff happening there. But it was a bxg arc and with whom the ml was supposed to dual cultivate was a female in the original story line.