What made this game unforgettable?
It was one of my first rogue/rogue-lites that I remember, and helped me understand the mechanics of a much older rogue Fatal Labyrinth(and vice versa). One of the unique features of this fanservice game compared to most is the ability to disable or skip most of the fanservice(for those that don't want it, or in my case, when it got repetitive). It was also one of my main reasons for buying a Vita and one of my two first games on it.
Who did you play this game with?
No one, but due to the ability to turn off the fanservice, wouldn't mind playing around others, as I still enjoyed it as a randomized floor dungeon crawler(I used to love the windows 98(?) first person dungeon crawler screensaver)
Why do you want this game on GOG?
To be able to fully understand it officially in English as it was originally planned to be on Vita.