Runaway Kasumi Nagumo celebrates her birthday today, September 30th, in Memories Off: Yubikiri no Kioku
. Why does this matter? Well, there's an achievement for playing the game on her birthday, so you'll want to load up the game today if you like your achievements to have time stamps:
Don't forget that there is also a Chinese version
of the title:
Players do not even have to play the game, as this achievement should unlock once you reach the game's main menu.