Rare for me to play games with just the one LI (so far?), but I find this really engaging and Vicky is a well-realised character that requires less suspension of disbelief than most incest-game moms, for both dialogue and visual reasons. Less convinced around the MC, but frankly he's not the one...
There's a few things I avoid in general with rare exceptions:
Real porn games since the devs always have to write to fit the visual content instead of creating the visuals to match the story.
RPGMaker games, strangely I really dislike the top-down oldschool platformer "game" nature of these...
Usually linear stories (particularly for NSFW games that are played in gradual releases) are better defined and written, because the devs are able to focus on a specific thread instead of splitting time between constantly branching options. I do like being able to effect the outcome and guide my...
For NSFW I don't keep the games once I've completed all the content. I keep a folder with the save files of games I'm waiting for the next releases of, and try to follow devs or game threads to get notified when new updates of said games are released. The risk here is I somehow accidentally...
Maybe not the deepest story, but I enjoy Apartment 69's B/S progressions. Dev just needs to add content for the older sister.
Other good B/S games I've enjoyed, some very old or abandoned:
Dreams of Desire
Freeloading Family
Bad Memories
Dreaming of Dana
Sisterly Lust
Hard to remember them...
Young Again had promise (though not strictly loli) but then the dev put her on a fitness plan and she turned generic. Definitely need more chubby girls in games.