Let me guess, this will be Blue Balls™ the manga. He will never get far enough to having sex and since exp gives pleasure he will be akin to an inanimate object like a vibrator, getting nothing in return.
This is just Netsuzou Trap, "not yuri" my ass. And even then the male characters in Netsuzou Trap had actual plotlines, in this "MC" is just a plot device for NTR fetish