Living as an Extra in a BL Omegaverse Novel (Promo)

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.