I forgot the title TT_TT

I need the title of the manhwa for a bl novel's promo which tells the story of MC transmigrating to a bl novel's story or something like that, MC is a beta or recessive omega (i don't really remember). Anyway, he becomes the secretary of the alpha, this alpha is the losing love interest (2nd ml type) whose gift always rejected by his love interest, this rejected item was given to the secretary

Sorry for the messy summary and English, thanks for your help