Summary: Parents need to know that this game is the equivalent of the average 'tween girl fashion magazine in terms of depth. There's an online component where players can play mini-games and chat with friends (by typing text or drawing pictures) either locally or over WiFi, and add friends to a buddylist. To add a friend they will have to know them already and specifically ask for that player's "Friend Code" that comes with each game.
Excerpt: Graphics & Sound: Konami seems dedicated to making the most of Nintendo's new commitment to wireless connectivity and personalized touches in gaming. The social component of gaming at least is front and center in a few recent titles, none more than Diary Girl . In Diary Girl , we have the proposed update to that revered institution of girlhood, the small book tucked beneath pillow or in bedside drawer containing all secrets unknown to boys and men.