Does somebody knows an Omegaverse BL that includes Swimming as the uke is an Omega but hid...

Does somebody knows an Omegaverse BL that includes Swimming as the uke is an Omega but hides that he's an Omega but the seme finds out that he's an Omega when the uke's in heat in the changing room and they ended up having sex which the uke enjoyed it telling him to bite his neck?