Living as an Extra in a BL Omegaverse Novel

MC who was reincarnated as a Omega in a BL novel is living a comfortable life as the secretary of a supporting character and is enjoying manh privileges! Ond day when the MC(Ahn) and the CEO aka. Supporting character go on a Business trip Ahn gets his heat and is drenched in cold water in the bathroom as the Ceo comes in and asks him what was going on. Promo chapters for the full novel.