Autumn Fall is a Monthly Sign-In set given to the player during their 5th month logging in to Love Nikki. It does not have an official completion award as it is not in the gallery, making it a Hidden Suit.
- Hair: Autumn Fall
- Dress: Bright Song
- Shoes: Blue Lady
- Earrings: Pink Diamond Earrings
- Necklace: Rhinestone Choker
- Handheld (Right): Hasp Bag
The suit describes the clothes of a girl named Lina. The descriptions also mention playing the piece Moonlight Sonata, a sonata by Beethoven.