The moon bunny is a NPC in a MMORPG called 'Maple Story'.
It can create 'delicious rice cakes', needed to finish the 'Henesys Party Quest'.
If this NPC dies, the Party Quest is over, but before it can even create rice cakes, it has to be summoned using 6 different primrose seeds.

1. noun. It is the sudden feeling of an inexplicable joy one gets when something romantic or idealistic occurs.

When kilig, one may experience the following:

*butterflies in one's stomach
*heart melting
*shivers down one's spine
*irrepressible noises from one's mouth
*uncontrollable smiling
*an inner conflict between hope of something wished for and reality

Kilig may also be defined as that mountain top, floating, on cloud nine, invincible, i-could-keep-smiling, heart aching goodness and feeling which overpowers the mind's ability to think straight, act straight, breathe properly and articulate thoughts into a single comprehensible sentence.

The moonbunny originates from an Asian mythical story.
This bunny lives on the moon and can make amazing ricecakes. The image you see on the moon is supposed to be the bunny making its ricecakes.