I have Magical Diary but I haven't played it yet, but IIRC it's by the same people who did Long Live The Queen (which isn't a dating sim but is built on a dating sim engine) so I have high hopes.
Dandelion (wishes brought to you) def has unique qualities. the translation's got a few minor spelling or grammar hiccups here and there but has def been enjoyable to watch, at least!
for background, this is basically a research search for a friend's personal project, so we're looking for things that have a good system or are just a very unique take on the genre
blauren: also: moujuutsukai to ouji-sama, orfleurs, jooubachi no oubou, dot kareshi, alice=alice, Burn Your Fat With Me, Love Plus, Dramatical Murder, Persona (ish, haha), Arcana Famiglia
katsudonburi: Amaraq: No worries, thanks for popping in! I didn't think either of you guys played but figure you're more likely to be aware of games than I am (because I'm super out of the loop).