I'm a girl and I look for RPGs or Simulation games which are you play as girl and the graphics are 2D I liked 2D graphics. Lol xD Well, it'll be nice if there's like relationship thing there. But first thing I wanted is about the 2D. A little 3D are fine, at least most of it are 2D. Here are few games I like and the reasons why... 1. Harvest Moon DS Cute. I liked the character design and the game (of course). Well, it takes a long time to play this game! 2. Summon Night: Twin Age. Same like HM DS Cute, I loved the character design and the game. I can choose to play as girl and the graphics is 2D. Well, it was too easy, actually... 3. Princess Debut. Main reason I like this is just the character design and there's relationship. Well, there's 3D on it, but it's fine as long most of it are 2D graphics. 4. Imagine: Makeup Artist. The graphics is 2D and it involves relationship. I play most of games. And mostly the one I liked are with 2D graphics. I liked 2D graphics. Well, please help if you know the game I wanted. 2D graphics kinda needed.
Too bad you're strict about requirements of having a girl character, because the Rune Factory series would have been just the ticket. It has some 3D graphics but the overworld is pre-rendered graphics and behave much like 2D. There's also a significant amount of wooing (relationship-building). It's a spin-off of Harvest Moon but much better that HM, in my opinion. I and my best friend love it (we're both girls). Apparently for the next game coming out you could choose either a boy or girl main character, so you might check it out then. Tokimeki Memorial is a dating sim for girls. I think there may be an English patch for it. Princess Debut According to reviews, you play as a princess who has to woo one of 6 princes in a dancing-and-action-adventure game. I don't know if the game is in 2D though. Pokemon is a GREAT rpg, has 2D visuals, and you can play as a girl! For relationships...hmm... you are encouraged to increase your Pokemon's friendliness towards you so that may count. A Pokemon's friendliness could affect its performance in battle and whether or not it evolves. Alice in Wonderland has charming 2D graphics, and you control both Alice and the White Rabbit. I can't comment on the relationship-building aspect as I only tested the game for about 10 minutes, but the game itself left me impressed.
http://lemmasoft.renai.us/forums/viewforum.php?f=11 thats a forum with dating simulation/graphic novels games.if you really searching for good ones i suggest goin there.its like paradise for us DM/GM games fans xD