As plain as screenshots suggest.
What make this memorable is 3d girls viewer.
There's nothing exciting about this game, rather boring TBH. Unless you want to see "3d anime waifu". Just don't.

Here's a more detailed version.

PixiesRoomMOE(){
Background.buyable=true
Costume.buyable=true
voiceLine.buyable=true
interestingMainStory=true
pixiesGiveFreeReward(Occasional)
pixiesRequestStuff.exchangeForReward()
canTouchPixies.withJPNvoiceFeedback()
pixiesStoryLine.unlockableWhen(Bond,Level)
bondIncrease.by(giveGift)
giftEarn.by(1freeEveryHr,buyWithHeart)
heartEarn.by(finishMap)
averageRunPerSession(6)
//given that you're not level up.
gameSize(2GBplus)
isNexon(true)
} You can figure out the rest.