Normally you have to get 55555, 77777 or even 88888 Love points to get these gloves.
This option lets you change the girl's hair color.
On your birthday Christmas, or at new year the girl wishes it to you for that day.
When you beat story mode, you unlock 2 new features: A sound test, and another story.
Sound Test lets you play all the tunes from the game, while watching a dance robot grooving to the beat.
Another Story is a very short mode that lets you redo some of the love scenes from the main story, but instead of wooing the main love interest, you are now a robot trying to woo the rival girl.
Beating certain scenes allow you to play new games in Time Attack/Survival challenge mode.
There are 3 difficulties that can be unlocked: Hard, Hell, and Heaven.