Drops of God (2023)

The story revolves around Kanzuki Shizuku, a young man who was estranged from his father, a world-famous wine critic. When his father passed away, he left behind a wine collection worth a fortune, but in order to inherit it, Shizuku must solve a series of puzzles left by his father to identify 6 wines. His competitor is Tomine Issei, a prominent wine critic, whom his father adopted before his death

Both of these dramas feature a sommelier/wine critic male lead, with a female lead who must test her own abilities against his. The two leads have a mutual connection through a a third party, and both dramas feature an undercurrent of mystery.