Seconding ryan's suggestion of Ace Attorney!! The puzzle mechanics keep gameplay from being stale while also having the plot heaviness that entails from the story's unfolding drama. The whole original trilogy is available on switch and the second trilogy i think was released today! (1/25)
If you want a black/bleak comedy (tw themes of suicide and sexual harassment) Class of 2009 is... an interesting experience, quite the critique on the era.
Hatoful Boyfriend is a great choice of VN if you can find it online- comedy/romance, heavy on the comedy. The writing is entertaining as hell.
Let's see... technically Doki Doki Literature Club counts, I'll dub that as a
Disco Elysium is like if a visual novel swallowed a DND game master's notes and dice and regurgitated one of the most well written compelling stories I've experienced, though I'm still in the process of playing it
Now once you've played a couple of those, if you're into dark romance, want a game that leans heavy into classic VN presentstion and like games that bend tropes, and please check out Slay The Princess on steam. It's a romance! honestly!
happy gaming, my friend!